"Dietrich Petzold (born January 8, 1954 in Eisenach0 is a German violinist, composer and audio book director.

Petzold grew up as a son of the church musician and composer Johannes Petzold in Eisenach and Weimar, where he completed a classical violin training from 1959 to 1970. Since 1975 he has been freelance as a violinist and violinist in various occupations, LP and CD productions, film and TV (including: Klaus Lenz -Big-Band, Uschi Brüning & Co., Stefan Diestelmann Folk Blues Band, Toto Blanke, Manialdi - Quartett, Zülfü Livaneli, Maria Farantouri, Mikis Theodorakis, Chris Jarrett, Zotos Kompania, Michael Griener, Wu Wei, Johannes Bauer, Butch Morris.

Since 1980, Dietrich Petzold has been composing for theater, film and television (including DEFA, Deutsches Theater Berlin, Landestheater Schwerin, Landestheater Greifswald / Stralsund, Kleist Theater Frankfurt, Hackesches Hoftheater, Neues Theaterhalle, Junges Theater Zürich, Staatstheater Cottbus, Hochschule For film and television "Konrad Wolf", Teatret Vart, Molde / Norway).

Since the founding of his "office for applied music " tonus arcus also developed music for radio plays and radio features (among others for DS culture, SWF, MDR, ORB, SFB, NDR, DR, ORF, Hörbuch-Verlag, RBB0, Jazz and chamber music productions (among others for Germany radio, Germany Radio Culture, RAI III, Radioropa, ZDF, Radio Toscana Classica). Dietrich Petzold lives in Berlin. He is chairman of the Kulturinitiative Förderband e. V. and has a daughter."

"He has been playing the violin for 30 years and in that time has played all genres of music ranging from contemporary music to free jazz and improvised music, live and in the studio.

His main interest shifted towards contemporary improvised and composed music.

The relationship with his instruments is focused in sonic and textural elements.

Electronic music was an early influence on his approach to violin playing, which challenges traditional romantic concepts of the violin/viola through use of preparations and micro tuning.

Active in different settings on the Portuguese scene for free improvised music, both as a collaborator and in leading his own groups.

Music for Dance, Cinema, Video and Performance.

Has created the record label Creative Sources Recordings in 1999, which mainly concentrates on releasing experimental and electro-acoustic music."

"Was born 1988 in Lisboa, Portugal and started playing cello and trumpet at Orquestra Metropolitana de Lisboa at the age of 7. In 1999 joined Conservatório Nacional de Música de Lisboa to study classical and music theory and in the current year recorded his first album - Multiples - with Ernesto Rodrigues and José Oliveira out on Creative Sources Recordings.

Apart from work in music ensembles ranging for contemporary classical to free improvisation, also works with live music poetry, theatre and film-music. After lengthy residency in Lisboa, (1988-2016) moved to Berlin and has been active as composer and improviser in the scene.

Worked with some international and renewed artists like Ernesto Rodrigues, Jean-luc Guionnet, Margarida Garcia, Manuel Mota, Alfredo Costa Monteiro, Sei Miguel, Tim Goldie, Jeffrey Morgan, Oren Marshall, Gerhard Uebele, Klaus Kurvers, Gabriel Paiuk, Nicolas Field, Jaime Fennelly, Blaise Siwula, Will Guthrie, Pawel Grabowski, Michael Thieke, Wade Matthews, Leonel Kaplan, Diego Chamy, Gabriel Paiuk, Barry Weisblat, Joe Giardullo, Jassem Hindi, Tisha Mukarji, Masahiko Okura, Taku Unami, Toshihiro Koike, Sharif Sehnaoui, Christine Abdelnour, Alexandre Bellenger, Carlos Zingaro, Romaric Sobac, Nuno Rebelo, Nuno Torres, Naoto Yamagashi, Heddy Boubaker, Gerhard Uebele, Guillermo Torres, Tomas Gris, Carlos Santos, Bruno Parrinha, Miguel Leiria Pereira, Miguel Ivo Cruz, Alberto Cirera, Nuno Morão, Mark Sanders, Dennis Gonzaléz, Alípio Carvalho Neto, Raymond Macdonald, Neil Davidson, David Stachenas, Lisa Ullén, D'incise, Cyril Bondy, Miguel Mira, Rodrigo Amado, Abdul Moimême, Monsieur Trinité, João Madeira, Álvaro Rosso, Gil Gonçalves, Marian Yanchyk, Filipe Passos, Rodrigo Pinheiro, Christian Wolfarth, Thanos Chrysakis, Bechir Saade, Kurt Liedwart, Miguel A. Garcia, Ilia Belorukov, Andrew Lafkas, Gao Jiafeng, Eric Wong, Johan Moir, Casey Moir, Magda Mayas, Matthias Muller, Alexander Frangenheim ...

Has performed and toured in all Europe. Released more than 30 albums of his own projects."

"Jan Roder (* 1968 ) is a German jazz bassist.

Roder studied music in Hanover. He began his career as a rock musician and lived longer periods in Brazil. In 1995 he came to Berlin, where he played touring and concerts with musicians such as Ulrich Gumpert, Ernst-Ludwig Petrowsky, Manfred Schoof, Uschi Brüning, Joachim Kühn, Aki Takase, Gunter Hampel, Mircea Tiberian and Axel Dörner.

As a successor to Joachim Dette, he is the band Disappointment, together with Axel Dörner, Rudi Mahall and Uli Jenneßen, who, together with Alexander von Schlippenbach, has the complete work of Thelonious Monk in his repertoire. Together with Björn Lücker and Henrik Walsdorff, he is the group The Most. He is also a member of the Caciula Trio (with Maurice de Martin and Ben Abarbanel-Wolff ), JR 3, the Silke Eberhard Quartet and the Zoran Terzic Trio, and performs as a duo of Maria Răducanu."