AIMTorotono Orchestra under the direction of Kyle Brenders was formed in 2007 to perform the music of Anthony Braxton, here in their first studio album of original compositions for their own sophisticated repertoire.

Clean Feed's 2nd LP is their 4th Angles release, expanding saxophonist Martin Kuchen's band to 9 pieces with Mattias Stahl, Johan Berthling, Alexander Zethson, Mats Aleklint, Eirik Hegdal, Goran Kajfes, and Magnus Broo in an album of rare expressiveness and power.

Now a nine-piece, Martin Kuchen leads the magnificently powerful Angles band through 7 demanding compositions, with trumpeter Magnus Broo back in the band alongside Alexander Zethson, Mattias Stahl, Jonan Berthling, Andreas Werlin, Eirik Hegdal, Mats Aleklint & Goran Kajfes.

Now a nine-piece, Martin Kuchen leads the magnificently powerful Angles band through 7 demanding compositions, with trumpeter Magnus Broo back in the band alongside Alexander Zethson, Mattias Stahl, Jonan Berthling, Andreas Werlin, Eirik Hegdal, Mats Aleklint & Goran Kajfes.

Five idiosyncratic compositions by English composer Frank Denyer with performers including The Barton Workshop, Elisabeth Smalt, Juliet Fraser, Kiku Day and Frank Denyer himself, using shakuhachi, voice, muted strings, percussion and an axe striking a block of wood.

A hybrid of theater, music, sound poetry and political manifesto from Sylvaine Helary, focused on the "Arab Spring" in Egypt, using intertwining words and voices around the quartet performances of Hugues Mayot, Sylvain Lemetre, Antonin Rayon and Sylvaine Helary.

Tzadik's series reinterpreting John Zorn's Masada compositions releases the 24th "Book of Angels", performed by Klezmerson, a Mexico-based ensemble led by violist & composer Benjamin Shwartz, who founded the group in 2003 to integrate music from a Mexican standpoint.

A unique 3CD-box from Umlaut Records putting in attention the musical collaborations between two of Sweden's most headstrong musicians: the pioneers Bengt "Frippe" Nordstrom and Sven-Ake Johansson.

Rasa Rasa members Kenny Wollesen, Dalius Naujo, Jonathon Haffner and Sean Francis Conway present the ancient polyphonic vocal music of Lithuania using a mix of ensembles, reviving the infectious grooves and ancient vocal rounds, aided by new instruments devised by Wollesen.

The quartet of Cosottini, Melano, Pisani, Miano (EAQuartet Electroacoustic) in compositions referring to the 4 cardinal map points using graphic scores, games, open readings, &c.

A long-term studio project/mutant big band merging collage, scored pieces, structured improvisations, cut-up jams, hi- and lo-fi textures, electroacoustic work, and location recording into large and wonderfully unpredictable compositions with few boundaries.

Six rich and varied electro-acoustic instrumental works from an amazing quintet of brilliant improvisers: Anthony Pateras (keys); Will Guthrie (drums & percussion); Natasha Anders (bass & computer); Clayton Thomas (double bass) and Jerome Noetinger (tapes & electronics).

Led by composers Sam Eastmond and Nikki Franklin, The SPIKE Orchestra is a large ensemble that draws on a wide range of influences including Duke Ellington, Frank Zappa, Carl Stalling, Zorn and more, here performing the 26th "Book of Angels" covering Zorn's Masada book.

Montreal's most creative large ensemble, led by Joane Hetu & Daniell Palardy Roger, in their 5th release presenting works composed between 1976-2015 featuring twenty musicians playing in different combinations, showing the creative breadth and skills of this amazing band.

Rova led by saxophonist Larry Ochs expands their translation of John Coltrane's "Ascension" in this amazing 3 disc CD/DVD/BluRay set of their cathartic performance at the 2012 Guelph Jazz Festival with a stellar lineup including Mazurek, Frith, Cline, Mori, Drake, &c &c.

A 15-member ensemble of Boston area improvisers plus guests Jeb Bishop, Tony Malaby and Taylor Ho Bynum, taking their name from the deep-sea submersibles used for exploring, as this band survey's large form improvisation that blends free and melodic jazz in adventurous ways.

Carl Ludwig Hubsch (tuba); Ole Schmidt (bass clarinet); Chris Weinheimer (bass flute); Robert Schleisiek (piano); and Tom Lorenz (vibraphone) interpret Christian Wolff's composition based on "Union Maid", a song from the 1920's, transforming the work through temporal expansion.

The follow-up to drummer/composer Dan Weiss's release "Fourteen" presents a larger ensemble taking on jazz, world music, prog rock, contemporary classical music and more in compositions named for drummers, with a diverse orchestration of acoustic and unconventional instruments.

The duo Contour of Stephen Altoff (trumpet) & Lee Forrest Ferguson (percussion) perform Antoine Beuger's "dedekind duos" dedicated to mathematician Julius Wilhelm Richard Dedekind; and Jurg Frey's "22 Sachelchen" or "small things", 22 focused miniature compositions.

Using electronics and voice, composer & sound artist Gtanit Elyakim presents a diverse set of compositions in collaboration with other acoustic, voice and electronic artists, a superb debut for an artist interested in aspects of the human and the digital paradigm.

A pop-infused psychedelic trip featuring Cyro with a huge lineup of superb musicians, lyrical improvisation with latin and world influences, with Baptista taking vocals over his eclectic and melodically embraceable music; a beautiful album to return to frequently.

Eric Normand's Quebec based 12-piece GGRIL (Grand Groupe Regional d'Improvisation) in an album of 5 improvisations and a piece by percussionist Danielle P. Roger; wonderfully creative music with eclectic instrumentation that's simultaneously challenging and fun.

Ernesto Rodrigues leads a 16 piece orchestra of strings, reeds, winds, voice, brass, accordion, electric guitar, electronics and percussion through the elaborately restrained work "Chelodnis Nigra", rewarding the careful listener with fascinating layers of sound.

A 46-member orchestra of electroacoustic improvisers performing live at St. George's Church in Lisbon in 2015, for an extended and dynamic tapestry of sound conducted by leader Ernesto Rodrigues, with an impressive list of artists familiar to those following the CS label.

The 5th of 7 large and inspiring works that began with a Festival of New Trumpet commission in 2007, here in an ensemble of 19 players including C. Spencer Yeh, Ben Vida, Ben Hall, Matt Moran, Chris Dingman, Dan Peck, Josh Sinton, Colin Stetson, the TILT brass octet, &c.

Lisbon Underground Music Ensemble (LUME) is an 11-piece ensemble led by pianist Marco Barroso, here captured live at the 2014 festival Jazz em Agosto for an unusual concert that blends free jazz, noise, rock, musical quotes and much, much more in exhiliarating ways.

Drummer Paal Nilssen-Love's Large Unit recorded this ecstatic, Brazilian influenced material in 2015 after a mammoth European and North-American tour, hours after their performance at the 2015 Oslo Jazzfestival with an extended line-up with Brazilian percussion players.

The Ensemble Daswirdas performs John Cage's "Branches" composition, which is based on a previous work, "Child of Tree", but here each performer plays an 8 minute variation of that work, which is performed on amplified pods, cacti, and other plant materials.

The incredible Fire! Orchestra in a 21-piece rendition performs in the studio for an ecstatic album of free improvisation and song, with an amazing lineup including Mats Gustafsson, Mette Rasmussen, Johan Berthling, Hild Sofie Tafjord, Lotte Anker, &c. &c.

The incredible Fire! Orchestra in a 21-piece rendition performs in the studio for an ecstatic album of free improvisation and song, with an amazing lineup including Mats Gustafsson, Mette Rasmussen, Johan Berthling, Hild Sofie Tafjord, Lotte Anker, &c. &c.

Known mostly as a masterful improviser, this 2015 live performance of her 2009 work for a tenet crosses compositional and improvisation boundaries, reflecting on her 40 year career while bringing out new subtleties from its original release, here with a superb set of performers.

Composer Simon Martin pays hommage to Quebec painters Ozias Leduc, Paul-Emile Borduas, and Jean-Paul Riopelle in contemplative works for each artist, performed by the ensembles Quatuor Bozzini, Quasar quatuor de saxophons, and Trio de guitares contemporain.

Two Zorn compositions touching upon the mediaeval world: "The Holy Visions", a Mystery Play in 11 strophes for voice concerning mystic Hildegard von Bingen; "The Remedy of Fortune" is a string quartet inspired by the 12th century troubadour Guillaume de Machaut.

Cologne pianist and composer Simon Russell wrote these compositions, melding jazz, classical, electronic, even tango music into lyrical and joyfully quirky works, performed by his ensemble with Goerg Wissel, Matthias Muche, Udo Moll, Carl Ludwig Hubsch, &c.

Chicago flautist Nicole Mitchell presents a work inspired by photographs from scholar and leader of social justice, W.E.B. Dubois, about African American prosperity after the civil war, a rich and compelling set of compositions performed in an ensemble of superb Chicago improvisers.

Saxophonist Pierre-Antoine Badaroux and double bassist Sebastien Beliah formed Ensemble Hodos in 2008 to perform the music of composers who wrote scores that include freedom and/or improvisation for the players, here performing the music of Philip Corner.

An expansive album blending acoustic and electronic instruments in unique ways, creating a tapestry of sound as a framework for creative improvisation, composed by drummer Dre Hocevar & performed in an ensemble that includes some of New York's finest young improvisers.

Pianist and composer Eve Risser wrote this work after a mystical experience in Bryce Canyon, Utah, adding a choir to her 10-piece orchestra, balancing big band and chamber orchestra through instrumentation and approach, creating a complex and fulfilling journey in sound.

Juxtavoices is an anti-choir of 30 voices whose repertoire includes original compositions and arrangements of classic modernist poems and found texts, here in a CD/DVD release with a reinterpretation of early an Cabaret Voltaire recordings and a terrifying ascent into hell.

Superlative large group jazz from UK pianist/composer Keith Tippett, presenting a series of lyrical and accessible compositions inspired by themes from Irish folk music, in a new Octet with alumni of the Royal Academy of Music's jazz programme and long-time Tippett collaborators.

A live performance at Judson Church in Manhattan as part of the 20th Vision Festival from the NY/France free improvising trio of Joelle Leandre on double bass, Mat Maneri on viola, and Gerald Cleaver on drums and percussion, two tracks of steadily building, incredibly compatible dialog.

NY Composer and percussionist Harris Eisenstadt furthers his exploration into long-form composition and unusual instrumentation in his 20th release as a bandleader, with a spectacular improv ensemble including Nate Wooley, Jeb Bishop, Han Roberts, Anna Webber, &c. &c.

A 2003 recording from The Ensemble Daswirdas performing John Cage's 1960 composition "Cartridge Music", described as: "For amplified small sounds; also amplified piano or cymbal; any number of players and loudspeakers; parts to be prepared from score by performers."

Italian drummer and percussionist Tiziano Tononi leads a large ensemble performing the music of American Rock Band The Allman Brothers, who Tononi cites as a major influence in his life for both their style, and for incorporating jazz, blues, southern rock and New Orleans cross-rhythms.

An absolutely impressive album blending advanced/progressive rock forms with improvisation, starting from collective improvisation and layering in the studio to create a sophisticated psychedelic music, the second album from this ensemble that is headed by Martin Archer (reeds & keys), Chris Bywater (keys & synth), and Steve Dinsdale (drums & percussion).

Three works from Canadian composer Chiyoko Szlavnics, two electroacoustic compositions incorporating sinewaves, one with a saxophone quartet and the other with two accordions, two flutes and two percussionists; and a string trio of long sustained tones and slow glissandi.

Pianist Satoko Fujii's Orchestra Tokyo + the band Kaze, bringing guests trumpeter Cristian Pruvost and drummer Peter Orins alongside trumpeter Natsuki Tamura into a spectacular big band of great power but also subtle meditation, in four works that include a tribute to the late guitarist and Fujii collaborator Kelly Churko.

Ensemble leader and tuba player Carl Ludwig Hubsch created this musical concept inspired by the guitar player Keith Rowe, exploring one static sound in the ensemble, maintaining it and in the same time interacting with utmost care and openness for any necessary change, in a 22-piece ensemble of exceptional players.

These recordings of pieces by John Cage were made at a performance called Silence & Transmission led by Peter Upreth conducting an ensemble of four performers using radios and voice, held at An Lanntair Arts Centre, Stornoway on the Isle of Lewis in the Outer Hebrides on 20th September 2012, as part of the celebrations for Cage's centenary.

Anthony Pateras was commissioned to compose this work by Synergy Percussion for their 40th birthday in 2014, performed with a six piece ensemble including electronic artist Jerome Noetinger, using the same instrumentation as Xenakis' "Pleiades" of more than 100 orchestral percussion instruments, including Xenakis' 17-pitch microtonal metallophones.

Two CDs representing two extended improvisations of the IKB Ensemble with slightly different personnel, with each ensemble slowly unfolding an amazingly textured work of acoustics and electronics with strong intent and incredible technique, balanced by close listening and attention to detail; an excellent 21st century improvisation orchestra captured live.

The MaDam Electroacoustic Improvisation Collective based in Spain performs the first in Pisaro's 34 piece Harmony Series, which attempts to create the conditions for a harmonic situation without giving any actual notes, just numbers, durations of tones, and pauses; this work is based on "swell piece (for alison knowles)" (1967) by James Tenney.

A rich and building improvisation from this French 10 piece ensemble, using 4 reeds, piano, zither, gangsa gantung, Indian harmonium, harmonium, mixing desk, contact microphones, banjo, objects, electric & acoustic guitars, effects, gong and drums to create a expansive audio universe that owes its sound to free improvisation and Ligeti.

Live recordings at LOFT in Cologne, Germany from the trio of George Wissel on prepared saxophone, Achim Tang on doublebass, and Simon Camatta on drums & percussion, performing seven "Movements" that use prodigious technique with reserve and direction, revealing the structure of their work as the pieces build and recede in fascinating ways.

The debut release of the UK improvising rock group Orchestra Of The Upper Atmosphere, co-led by Martin Archer & Chris Bywater, in a double CD blending kosmische musik, space rock, and contemporary classical, an improbable meeting between Ligeti, Klaus Schulze, & Quarkspace, supplemented at times by a string quartet, a sax quintet, and a 25-piece mixed choir.

Presented at the Vancouver International Improvisation Festival and the Vancouver International Jazz Festival, guitarist Ron Samworth's conceptual work explores the life and dreams of a dog, with narration from Barbara Adler and an incredible ensemble including cellist Peggy, keyboardist Wayne Horvitz, trumpeter JP Carter, drummer Dylan van der Schyff, etc.

A richly refined and sophisticated album drawing on improvisation, experimenation and rock elements from the collaborative Vancouver ensemble Sick Boss of core members guitarist Cole Schmidt, bassist James Meger and drummer Daniel Gaucher, with guests including guitarist Tony Wilson, cellist Peggy Lee, trumpeter JP Carter, synth player Tyson Naylor, &c. &c.

The improvising rock group Orchestra Of The Upper Atmosphere, led by Martin Archer, Chris Bywater, and Steve Dinsdale, in their 3rd album of innovative improvisation, haunting hypnotic grooves and blasts of sheer exuberance, with the band augmented by strings and trombone to give them a larger and more intense sound.

West Coast oboist and english horn improviser composes a startlingly enjoyable work based on Matt Shears' book of recursive, encyclopedic poetry of the same name: 10 pieces colliding elements of skronk, spoken word, fried electroacoustic noise and dark prog within a Creative Music framework, with a core quartet of Aram Shelton, Jason Hoopes and Jordan Glenn, plus guest Weston Olencki and a large cast of readers.

A diverse set of artist interpret a random page from Cornelius Cardew's "Treatise", using the score alone with each artist unable to hear what the other participants were playing, which Spool label-leader Daniel Kernohan assembled into these 10 incredible audio tracks, each roughly 4:35 long, in a great interpretation of Cardew's (in)famous work.

Recorded live in an Australian National Park on a 15-day walk, saxophonist Jim Denley performs solo on the alto saxophone in response to and in conversation with the environment around him using the natural acoustics of this rugged and awe-inspiring region.

Instant compositions on from Nicola L. Hein on guitar and Mia Zabelka on violin, both versed in soundscape and sonic sculptures, using extended techniques to create dense but dynamic sonic landscapes with significant room for silence.

German composer and improviser Simon Rummel presents the 2nd release from his 11-piece Simon Rummel Ensemble, blending his interest in acoustic phenomena and improvisational harmonics in an extended work that shifts from beautiful tonal work to disruptive cacophony and back to melodic music, blending jazz and 20th century approaches; a great achievement.

Glasgow's Improvisers Orchestra from the CCA Glasgow performing three free improvisations and a discretely structured piece by Raymond MacDonald.

A sense of both lightness and weight drawn from Portuguese viola player's Ernesto Rodrigues' 18-piece String Theory, in a large and detailed improvisation using an incredible array of string sources, including viola, harp, violin, cello, viola da gamba, double bass, classical, acoustic and 12-string guitars, mandolin, zither, harpsichord, and piano.

Reinhold Friedl's Zeitkratzer ensemble and special guests, vocalists Svetlana Spajic, Dragana Tomic, and diple / gusle player Obrad Milic, explore the possibilities found in traditional Serbian songs from and about World War I, including the classic epic "Assassination In Sarajevo", and songs chosen specifically by Spajic and Tomic.

Commissioned by Berlin's Maerzmusik Festival and premiered in 2014, Elliott Sharp's composition & soundscape is named after the Greek waking dream and inspired by John Cage, Sharp using a methodology to filter and process his musical manuscripts via Photoshop, which are interpreted through amplification of acoustic instruments by the Zeitkratzer ensemble.

German composer working in Budapest Nikolaus Gerszewski does not consider the score for this piece a composition, but rather a basis for a process, which is executed live at Fabrica Braco de Prata with Gerszewski himself plus improvisers Ernesto & Guilherme Rodrigues, Pedro Roxo, Nuno Torres, Armando Pereira, Carlos Santos, Pedro Castello Lopes & Andre Mota.

Started in 1995 as an interdisciplinary unit of improvisational artists led by Boston area reedist/multi-instrumentalist David Peck and cellist Glynis Lomon, exploring multi-phonics, glissando, microtones, graphic & descriptive scores, and extended techniques, expanding the ensemble with like-minded musicians, here in this 2017 recording of full 24-piece orchestra.

Alexander von Schlippenbach and Aki Takase assembled an ensemble of Dolphy interpreters that includes bass clarinetist Rudi Mahall, saxophonist Tobias Delius, vibraphonist Karl Berger, trumpeter Axel Dorner, trombonist Nils Wogram, &c, for a fresh take on compositions from one of free jazz's most iconic composers -- Eric Dolphy -- captured live in Berlin, 2014.

"The opening moments of "Stream of Consciousness"are disorienting. Awash in reverb, as in an empty warehouse or a bounded public square, Maria Radich's vocals mingle with those of an audience of unknown size. Camera shutters click, men ...

The Leap of Faith Orchestra is a large improvisation ensemble comprised of 5 ub-units--Leap of Faith, Metal Chaos Ensemble, String Theory, Turbulence, and the New Language Collaborative--all assembled here for a massive and far-ranging experience, scored with time indices and English language descriptions by leader David Peck; dense and spectacular.

"As always, the geometry is of the n-dimensional sort. The number of dimensions that vary is impressive: membership, instrumentation, location, duration, and so on. Certainly, the overall shape of each VGO performance is highly variable...

"In Gerald Murnane's Barley Patch, he writes of a character who, listening to music in an old timber building, would hope to find "the crowd of dust-motes that he sometimes saw swirling or drifting in a shaft of sunlight." As he listene...

"Ensemble MIA unites over 60 improvisers and experimental musicians from all over the world, who participated in MIA 2016 - 7th Encontro de Música Improvisada de Atouguia da Baleia (Improvised Music Encounter) festival. The event ...

Kevin Good organized this composition from four field recordings collected near Avon, CT, isolating sounds that he found interesting and then attempting to recreate them on other instruments, finally adding the human voice sparsely utilized throughout the piece, all to promote the idea of listeners actively paying attention to the sounds of their environment.

An incredible example of Creative Sources/Ernesto Rodrigues' large electroacoustic ensembles, blending acoustic and electronic sources in slow moving and subtle improvised works of a large scale, here with 12 musicians layering string, brass, keys, percussion, synth and computer into a mysterious harmonic and hallucinatory convergence of powerful intention.

1. L'ennui 42:00

Four fascinating compositions by Pascale Criton exploring microtonalities on instruments tuned in 1/16th tone (violin, viola, guitar) based on gestural processes developed in close collaboration with the musicians: one duo with Silvia Tarozzi and Deborah Walker, one solo piece with Deborah Walker, and two pieces performed by Dedalus Ensemble.

NY Composer and Zs founder Alex Mincek's first release since 2011 also launches Sound American's Young Composer Portrait series, presenting 4 chamber works--"Pendulum VII"; selected movements from "Harmonielehre"; "Pneuma"; and "Torrent"--performed by Wet Ink Ensemble, Mivos Quartet, and Yarn/Wire, in a deluxe hardcover book package with interviews and notes.

Coordinated and composed by d'incise and Cyril Bondi, this incredible Swiss-based collective of 30 to 40 experimental musicians was founded in 2010 and has presented concerts and recordings since; this CD presents two works, "13 unissons" splitting the orchestra into 13 subgroups; and "27 times" where each musician plays 27 times in 30 minutes; phenomenal.

Recordings from the Glasgow Improvisers Orchestra Festival in Scotland recorded in 2013 & 2015, the 20+ piece orchestra blending acoustic, electronic and vocal instruments into incredibly diverse and rich compositions, here presenting "A Peculiar Slumber" I & II, and the impressive and large work "A Bit in the Air", both exploring words and loss of control.

Cornetist Taylor Ho Bynum draws on a variety of techniques from improvised conduction to big band orchestration to deconstructed fanfares, with a large 15 member ensemble of impressive improvisers embodying a diversity of generations, backgrounds, ethnicities, and gender, presenting three large scale compositions that are ambitious and wonderfully accomplished.