A live recording at O'Culto da Ajuda, Lisbon, during the 2017 CreativeFest #11 from the quartet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Gianna de Toni on double bass, and Vasco Trilla on percussion, a sinuous, curving extended improvisation of subtle shades, with certain rotations more forceful, but always gravitating to quietude.

Not your average Creative Sources releases, the father/son collaboration of Ernesto Rodrigues on viola and Guilherme Rodrigues on cello are joined by 2/3 of Red Trio — Hernani Faustino on double bass and Rodrigo Pinheiro on piano — with Pedro Carneiro on marimba, for an impressively active set of Swirling, Whirling and Twirling improvisations.

A large group under the direction of violinist Ernesto Rodrigues (also on harp, metronome & objects) in 4 extended improvisations of great suspense and tension through sound and silence.

Far from the reductionist/minimal improvisation often associated with the Creative Sources label and the work of both violist Ernesto Rodrigues and cellist Guilherme Rodrigues, this quartet session with double bassist Joao Madeira and Jose Oliveira is a highly charged and energetic affair, improvising through a suite of eight tightly controlled conversations of "Chaos".

Approaching the string trio of viola, cello and double bass through improvisation and exceptionally extended techniques, the Portuguese trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Joao Madeira on double bass "scratch, stretch and strop timbers" as they express a unique universe of string interaction from raucous to reflective.

Recorded at the Galeria Monumental during the Small Format Materials II Festival, Sul is a large string-oriented ensemble led by Ernesto Rodrigues that includes percussionist Andrew Drury and double bassist Hernani Faustino, alongside Creative Sources core players, orchestrated with viola, violin, cello, double bass, classical guitar, zither, percussion and objects.

Translating loosely to "Something begs the patience of the clouds", the collaborative electroacoustic quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Bruno Parrinha on bass clarinet, Luisa Goncalves on piano and Carlos Santos on electronics present two extended improvisations of tension, masterfully adept technical skill and intensively close listening.

After the Lisbon String Trio for the Dada album, Bruno Parrinha on B-flat, alto and bass clarinets joins with the string pairing of violist Ernesto Rodrigues and cellist Guilherme Rodrigues to record this impressionistic 3-part work, the title translating to "Without Forgetting The Trees", each movement expanding into darkly colored branches of remarkable control.

Recorded in the studio in 2017, "Cyclic Symmetry" presents an electroacoustic trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and CS mainstay Carlos Santos on field recordings, in a minimal work suggested to be heard on infinite loop, contrasting deep silence with sections accenting the slow, interwining harmonics of both Rodrigues' string work.

Referring to the city Brecht in Belgium, this concert at the Kapel Oude Klooster took place during a tour by the Lisbon free improvising trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello and Nuno Torres on alto saxophone, joined by Dirk Serries on archtop guitar (New Wave of Jazz, Vidna Obama) for this impressively interactive 3-part improvisation.

With the nearly telepathic communication that only a father & son duo could have, Lisbon violist and Creative Sources label leader Ernesto Rodridgues and cellist Guilherme Rodrigues recorded these two string improvisations live at Cossoul in Lisbon during the "Esta Noite Improvisa-se", a melding of remarkable technique, concentration and profound expression.

1. Plane, Line Segments, Rays And Some Dissipations 49:49

A four-part suite from the Creative Sources string core of violist Ernesto Rodrigues and cellist Guilherme Rodrigue, recording in Berlin in 2021 with free jazz trombonist Matthias Muller and trumpeter Brad Henkel, through each movement approaching their playing through a balance of nonidiomatic and free jazz, subtly understated and meticulously intricate.

The trio of violist Ernesto Rodrigues, cellist Guilherme Rodrigues and clarinetist Bruno Parrinha on alto & bass clarinets are captured live at Lisboa Incomum, during the 2022 Festival DME, performing two sophisticated chamber improv works, their titles translating to "The aging skies - it's all illusion" and "Pass The Bridges If It's Windy - The Flame Of The Solemnity".

Fragile and understated with long spacious sections, the trio of Ernesto Rodrigues on viola, harpsichord, e-bow guitar and field recordings, Guilherme Rordrigues on cello, and Denis Sorokin on ukelele and pitch pipes, distill the sense of isolation amid patient motion through the red city, sections defined by cars passing and augmented with birds; peaceful and beautiful.

Three strings--cello from Guilherme Rodrigues, double bass from Adam Pultz Melbye, and viola from Ernesto Rodrigues--plus harmonium and objects from Kriton Beyer, in a live performance at Kuhlspot Social Club in Berlin, each of the 9 movements a concentrative work named with a three-letter onomatopoeia, as the players draw sound from a mysterious dark distance.

Recording in the studio in Lisbon, Portugal, the free improvising lowercase/subtle momentum quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Bruno Parrinha on bass clarinet, Luis Lopes on electric guitar, and Vasco Trilla on percussion, demonstrate intense control and remarkable concentration through the five parts of "{ Lithos }".

French double bassist Fred Marty joins Creative Sources core performers, violist Ernesto Rodrigues, cellist Guilherme Rodrigues and electronic artist Carlos Santos for an extensive improvisation exploring both lyrical and pointillistic improvisation, themed loosely around a garden quartet or frame, the music detailed, active and formidably sophisticated.

A live performances at CreativeFest 2018 in Lisbon from the electroacoustic quartet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Fred Marty on double bass, and Carlos Santos on electronics, the title translating to "On our footsteps in the light of day" as the improvisers merge strings and electronics through spirited and radiant playing.

Improvising over strings, winds & percussion from the Portuguese quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Joao Madeira on double bass, Bruno Parrinha on flute & bass clarinet and Monsieur Trinite on percussion, in a studio session of active, often pointillistic interaction offset with periods of introspection, reflecting concepts of Baudelaire & The Surrealists.

A lowercase meeting of strings, objects, microphones and computer between core Creative Sources members Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, and Karne Decorne (objects) and Simon Proffitt (microphones & computer), investigating microsound in four unhurried conversations that include moments of odd interjections, tones, and timbre.

A quintet album of minimal/lowercase electroacoustic improvisation recordeded at Penedo in Portugal from Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Miguel Mira on cello, Anna Piosik on trumpet, and Carlos Santos on electronics, each performer using extended techniques, contrasting atmospheric tones with percussive, often pointillistic approaches.

Recorded on New Years Eve in Sintra in the Penedo region of Portugal, three strings--viola from Ernesto Rodrigues, cello from Guilherme Rodrigues, and a second cello from Miguel Mira--are joined by Carlos Santos on electronics for three extended and richly detailed improvisations, active yet concentratively controlled, using impressive and extended techniques.

A confluence of strings from the trio of Portuguese improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, performing in Berlin with double bassist Stephan Bleier, the title referring to a gradual ascending progression formed through small changes, an apt analogy for the illusory and shape-shifting approach their 5-part improvisations lead.

A confluence of strings from the trio of Portuguese improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, performing in Berlin with double bassist Stephan Bleier, the title referring to a gradual ascending progression formed through small changes, an apt analogy for the illusory and shape-shifting approach their 5-part improvisations lead.

Referencing the book Letters to Milena (Briefe an Milena) by Franz Kafka of his intense love affair with Czech journalist & writer Milena Jesenská, through four lettered parts of a subtly sophisticated set of improvisations by Ernesto Rodrigues (viola), Nuno Torres (alto sax), Guilherme Rodrigues (cello), Eric Bauer (electronics) and Stephen Flinn (percussion).

Nine numbered improvisations for viola, cello and analog synth from the trio of Ernesto Rodrigues, Guilherme Rodrigues and Richard Scott, recorded live at Audience, in Berlin, Scott's synth layers adding subtle nuance including vocal sampling and static and strange noise as a counterpoint to the Rodrigues' subdued but detailed techniques, textures and intense concentration.

Recording in Germany, Creative Source's two Rodrigues'--Ernesto on viola and Guilherme on cello--along with double bassist Klaus Kurvers, celebrate legendary improvising cellist Tristan Honsinger's birthday in this studio album of active playing with a chamber quartet feeling through superb technical skills yielding electrifying string improvisation.

Two sets across two nights during CreativeFest #12 at O'Culto da Ajuda, in Lisbon, Portugal, in a septet of six acoustic sources--viola, cellos, flute, trumpet, piano and percussion--and electronics, an extended journey approached with quiet tension and incredible detail, the recording of the first set used as the basis for the 2nd to create a virtual ensemble.

Eleven detailed improvised conversations between Portuguese cellist living in Berlin Guilherme Rodrigues and Belgian guitarist Dirk Serries, employing powerful and unusual techniques on their instruments in dialogs that run the gamut from quiet or abstract interaction to rapid outbursts of challenging intercourse that mesh and diverge in unexpected ways.

Swedish double bassist Johan Moir, who focuses on extended techniques, preparations, Just Intonation and psychoacoustic phenomena, joins with cellist Guilherme Rodrigues in the studio in Berlin to record these 9 dialogs of haunting string improvisations, pushing the limits of their "hollow wood" instruments to create a vast palette of sound and approaches.

58 Compositions for Cello as part of a sound investigation process from Portuguese cellist based in Berlin, Guilherme Rodrigues, recording in 11 locations with interesting resonant properties, capturing several brief improvisations at each space, the architecture, delay, decay, and interaction affecting his approach and the sonic response to his playing.

Portuguese cellist Guilherme Rodrigues, an essential performer in the Creative Sources community of free improvisers, recorded this album from a personal need to share his freedom as a cellist, arriving at the studio and playing for almost two hours with nothing pre-planned, recording 23 concise improvisations that he describes as "fluid as a waterfall".

Recorded over a 3 year period, the trio of Portuguese string improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello met with New Haven, Connecticut double bassist & synth player Daniel Barbiero, developing this detailed, two part lowercase acoustic improvisation with a spacious, patient feeling that interacts with its ambient environment.

Recording in Berlin in 2021, the quartet of English saxophonist Simon Rose, here on baritone sax and German double bassist and Evil Rabbit label leader Meinrad Kneer join with Creative Sources father/son string improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello for seven delicately commanding, chamber-oriented free improvisations.

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Drawing its name from the seven members making up this string ensemble led by violist Ernesto Rodrigues, String Theory complements the concurrent Lisbon String Trio albums by magnifying concepts in freely improvised string interactions, using unusual harmonics, melodic and percussive approaches to instruments, and quickly moving quietly intense interaction.

The Portuguese large improvising ensemble String Theory is heard live during the CreativeFest#12, at O'Culto da Ajuda, in Lisbon, Portugal in 2018, in an extended improvisation of incredible layering and restraint, making an amalgam of mostly acoustic string sources sound electronic and hallucinatory, an incredible achievement in string sonics.

This supergroup of strings--16 musicians on violins, viola, cellos, double basses, piano, psaltery, zither, and guitar--in an intensely restrained collective improvisation recorded live at O'Culto da Ajuda, Lisbon, Portugal in 2017, as String Theory's 4th album continues their title themes from the physical universe named here for the rare metalloid "Tellurium".

1 Suspensao X 31:47

The sixth release by Creative Sources' detailed electroacoustic improvising group Suspensão led by violist Ernesto Rodrigues, with Guilherme Rodrigues on cello, Nuno Torres on alto sax, Antonio Chaparreiro on electric guitar, Carlos Santos on computer and Jose Oliveira on percussion & inside piano, is this impressive performance at "Temporada Miso Music 2009" in Lisbon.

The fourth release from the Portuguese lowercase electroacoustic ensemble Suspensao, merging viola, cello, bass clarinet, alto sax, electric guitar, piano, double bass, percussion and electronics in intensely detailed, slow moving improvisation, revealing impressive tension and suspension of time in impeccably concentrative collective conversation.

A fortuitous 2015 concert from the lowercase chamber/ea-improv octet Suspensão, captured live at Ler Devagar Bookstore in Lisbon from Ernesto Rodrigues (viola & harp), Guilherme Rodrigues (cello), Nuno Torres (alto sax), Eduardo Chagas (trombone), Antonio Chaparreiro (guitar), Rodrigo Pinheiro (piano & melodica), Miguel Mira (bass), Carlos Santos (electronics) and Jose Oliveira (percussion).

A substantial live work from the 2019 CreativeFest XIII at O'Culto da Ajuda in Lisbon from the improvising ensemble Sfumato lead by violist Ernesto Rodrigues, fulfilling the title of the album in great tension and suspense as the 11 members improvise, generating waves of activity between concentrated and meditative moments, an incredible example of power and restraint.

A string quartet of doubled cello and viola, recording in the studio in Berlin in 2018, as free improving innovators, Creative Sources cellist and violist Guilherme Rodrigues and Ernesto Rodrigues, meet contemporary compositional and improvising cellist and violist Hui-Chu Lin and Marie Takahashi, their complementary approaches bringing unique voices to a captivating encounter.

Six "Segments" A to F of powerful restraint and extended technique, recorded at Ausland in Berlin, Germany from the free improvising quartet of Quentin Tolimieri on piano, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello and Fyodor Stepanov on double bass, the close associations between the Rodrigues' and Tolimieri & Stepanov evident through their shared aesthetic.

"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 ...

Two mesmerizing, diverse, and incredibly sophisticated large scale conductions led by Ernesto Rodrigues and an ensemble of more than 30 performers on reeds, guitars, strings, electronics, pianos, voice, megaphone, brass, drums and percussion, rich yet restrained with moments of mystery and excitement, in two complete concerts from Lisbon in 2017 & 2018.

A dynamic and exciting concert captured during the 2018 CreativeFest XII of a conduction by Ernesto Rodrigues leading an ensemble of 28 free improvisors performing on a mix of traditional acoustic & modern electronic instruments, plus a toy piano, with powerful wind & string sections, as Rodrigues directs the musicians into both passionate and peaceful sections.

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.