Founded in Hamburg in 1989, TonArt Ensemble is a democratic collective of free improvising musicians, here in collaboration with Portuguese string player and composer Ernesto Rodrigues.

Goldstripe uses data read from the magnetic stripes of credit cards and bank cards to create a set of musical conditions for improvisation.

Minimal sound sources and extraneous trumpet sounds using unusual techniques in a duo of subtle yet captivating recordings from these frequent collaborators.

Delicate nuance and fascinating textures from the minimal improvisations of trumpeter Birgit Uhler, violist Ernesto Rodriguez and live sampling from Carlos Santos.

The synthetic soundtrack to the radioplay "No Man's Land" about the Dust Bowl period in the USA and the people in the Oklahoma Panhandle; and "The Stranger" based on Camus' book.

Large scale electroacoustic conduction by Ernesto Rodrigues (Creative Sources) with a monumental orchestra including some of Europe's finest improvisers performing live at Porto's Casa da Musica.

Triple CD from Variable Geometry Orchestra, who create music by juxtaposing acoustic and electronic sound matter with subliminal and psycho-acoustic side effects.

An excellent quartet of UK and European improvisers recording at Gateway Studio, London in 1997, a set of 8 intriguing recordings emphasizing the acoustics end of free improvisation with accented electronic interventions.

Active and interactive percussion using extended techniques from the London trio of trumpeter Ian Smith, percussionist Stephen Flinn, and cellist Hannah Marshall.

Bringing together European improvising guitarist Olaf Rupp, Canadian ex-pat bassist Joe Williamson, and Australian drummer Tony Buck from The Necks for an album of busy, fiery, skillful improvisation.

New York improvising artists trumpeter Jacob Wick and percussionist Andrew Greenwald in 4 tracks of minimally dense and persuasively smeary compositions.

Far-ranging improvisation using open and creative techniques from the trio of guitarist Andreas Willers on acoustic and electric, bassist Meinrad Kneer (who runs the Evil Rabbit label) and drummer Christian Marien.

The trio of bassist Gary Peacock, pianist Paul Bley, and trumpeter Franz Koglmann interpret and improvise on the music of avant song-writer Annette Peacock.

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.

Legendary trumpeter, composer and educator Bill Dixon in a 17 piece orchestra playing original compositions live at the 12th Vision Festival in New York City.

Ever-inventive drummer/percussionist Raymond Strid and performance collaborator, Norwegian-Swedish free improvising vocalist Andreas Backer, for a set of unusual, absurd and detailed improvisations, as the two complement each other in unexpected ways.

The long-standing duo of trumpeter Birgit Uhler, also on radio, speaker & objects, and free improvising vocalist Ute Wasserman, in an album of 8 unbelievable improvisations of a unique and sometimes bizarre character, holding one's attention from its outlandish nature--superb!

Active since 1997, the quartet of Alexander Frangenheim (double bass), Roger Turner (percussion), Pat Thomas (piano & electronics) and Philipp Waschsmann (violin & electroncis) in a wildly creative cross of non-idiomatic improv flavored by the London scene.

The freely improvising quartet of Ernesto Rodrigues, Axel Dorner, Nuno Torres and Alexander Frangenheim recorded this beautiful album of dark sound in Germany in 2014, 3 movements of understated dialog using unexpected techniques in a subtle dialog.

The trio of Frank Gratkowski on clarinets and alto sax, Michael Vorfeld on percussion, and Richard Scott on modular synthesizer, also known as Spectre, freely improvising in dramatic and generally reserved ways, intently focusing on sound and interchange.

The long-running trio of Paul Hubweber on trombone, Paul Lovens on drums, and John Edwards on double bass in an album releasing a radio concert from Croatia in 2003, and another from Klangbrucke in 2009; highly attuned free improv with near-telepathic dialog from three masters.

With members of IKB, Variable Geometry Orchestra, and LIO, the free improvising/chamber quartet of Ernesto Rodriguge (viola), Bernardo Alvares (bass), Roland Ramana (trumpet), and Nuno Torres (sax), were captured live at Estrela for an intense and introspective concert.

A solid solo outing from Zurich-based double bassist Friodlin, presenting his 4-part "Camping; Cafe Bar" work, blending the jazz idiom with discursive asides and unusual techniques, plus a lovely and appropriately titled work "But Beautiful".

Citing their influences as Bill Frisell, Paul Motian, John Zorn, and Steve Lacy, the Brussels-based bassless jazz trio of Quentin Stokart (guitar), Mathieu Robert (sax), and Nicolas Chkifi (drums) play lyrical and intelligently restrained music.

The duo of saxophonist Christoph Erb, best known for his work with the Manuel Mengis Group 6, and French-Japanese violist Frantz Loriot, for five open-minded, technically fascinating and musically unique duos recorded in the studio in Switzerland, 2015.

The duo of Johannes Nastesjo on double bass and Vasco Trilla on drums and percussion, an album of extended techniques and unexpected devising, using quietly aggressive techniques balanced by concentrative improv to create unexpected eruptions and unusual sonic environments.

The trio of Richard Scott on modular synths, Emilio Gordoa on vibraphone & percussion, and Ute Wasserman on voice, in uniquely orchestrated free improvisations that focuses on sound interaction with detail and restraint, while still bringing a sense of wonder and exuberation.

An excellent jazz album using diverse styles bridging free and lyrical playing from the trio of Sergio Tavares (bass), Fabio Almeida (sax) and Joao Martins (drums), playing in and out of the jazz idiom and augmenting Almeida's sax with electronics in compelling ways.

An extended and far-ranging acoustic free improvisation from the trio of Ernesto Rodrigues on viola, Phillip Greenlief on tenor sax, and Tom Wafford on violin, recorded live at the Gallery 1412 during the Seattle Improvised Music Festival of 2006.

Exploratory free improvisation with an emphasis on strings from the trio of Ernesto Rodrigues on viola, Biliana Voutchkova on violin, and Micha Rabuske on flutes & sax, collective conversation with scraping and overblowing mutating their sound in interesting and curious ways.

Strings and small percussion imbue this darkly beautiful set of extended improvisations from the Portugese trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Monsieur Trinite on small percussion; creative richly open soundscapes with intriguing interventions.

Saxophonist Paulo Alexandre Jorge leads his Improbable Trio with Tom Wheatley on double bass and AMM/Matchless legendary percussionist Eddie Prevost in a six part album of ardent free improvisation on titles about Sex, Love, Death, Friendship, Art Beauty, Power Law, &c.

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.

Remarkably detailed, slowly moving improvisation from the trio of Katsura Yamauchi on alto sax, Carlos Santos on electronics, and Ernesto Rodrigues on viola, harp and objects, a beautiful balance of acoustic and electronic sound in intensely concentrated music.

Spontaneous compositions of freely improvised music performed on piano, synth, whistles, electroacoustic guitar, percussion, live electronics and effects from this trio who hail from Moscow and Siberia, recording their unique and adventurous dialog in the studio.

A masterful fountain of melodic ideas, intriguing rhythms, and exceptional technical skill from the duo of Hamid Drake on drums and frame drum, and Sylvain Kassap on clarinets and chalumeau, recording live at the France Musique at Studio Theatre dÕAlfortville and in the studio.

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.

A trio of improvising women that started in Australia in 2008 by clarinetist Laura Altman and accoridionist Monika Brooks, becoming a trio with Magda Maya on piano; here in two beautifully paced works recorded in churches in Sydney, 2013.

Free ranging and captivating improvisations between Hungarian violist Szilard Mezei and cellist Albert Markos, a remarkable duo of the string's potential.

Norwegian / Swedish vocalist Andreas Backer in an album of impressive solo voice improvisations, applying stunning vocal techniques to generally non-articulate pieces, using his voice in astonishing, frightening, funny and simply bizarre ways over a diverse set of compositions, mostly acoustic, except on "Voicetronics"; weird and wonderful.

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.

Three foreboding tracks of aggressive and open improvisation from long-time collaborators Lebanese trumpet player Mazen Kerbaj and guitarist Sharif Sehnaoui in a quintet with Creative Sources labelmates Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Carlos Santos on electronics; a confrontational, at times frightening world of sound; gripping.

The trio of bassist Achim Tang, prepared pianist Philip Zoubek, and trombonist Matthias Muche extended with Sven Hahne on computer and Christian Thome on drums and electronics in a freely improvised electroacoustic album of subtle pacing and diverse approaches, with many of the rhythmic elements imparting a gamelan feeling.

The 2nd album for this quartet, with Daniele Martini on saxophones, Giovanni di Domenico on piano, Goncalo Almeida on doublebass, and Joao Lobo on drums, for an album of slowly building free improv starting in a Necks mode and developing into frenetically lyrical passages, a great blend of modern and traditional approaches to free jazz.

Roman philosopher Titus Lucretius Carus named "Clinamen" the unpredictable (in time and space) swerve of atoms falling in the void, which aptly describes the unexpected directions taken in subtle free improvisation from this French trio, led by bassist Louis-Michel Marion, with Jacques Di Donato on clarinet, and Philippe Berger on viola.

The Swedish duo of percussionist Andreas Pollak and prepared pianist Johan Graden (Adam & Alma) in an album of references and innuendo, clandestine and furtive sounds that evoke great mystery and drama in beautifully shaped sound; evocative music that deceives to emerge from the electronic realm while in actuality coming from all acoustic sources.

Live recordings at Exploratorium, in Berlin, Geremany in 2010 from the quartet of Klaus Kurvers on double bass, Andrea Sanz Vela and Ernesto Rodrigues on violin, and Micha Rabuske on dlute, bass clarinet, and soprano sax, collective improvisation with complex interplay and a bright spirit as the group follows their instincts in interesting dialog.

The second volume of the project heard in the previous Creative Sources album, "Suspensao", here in a 9-piece electroacoust ensemble with viola, cello, doublebass, alto sax, trombone, piano, electric guitar, computer and percussion, suspenseful lowercase music that unfolds in mysterious, beautiful and rewarding ways.

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.

An unlikely pairing, cellist Ulrike Brand is best known for her work with John Cage and Giacinto Scelsi, while Olaf Rupp is a regular contributor in a variety of setting in the European Free Improv scene; here they join for an album of free improvisation, finding shared and gripping language in creative and uncommon approaches to their strings.

A quintet of string improvisers in discerning dialog using viola, cello, double bass, electric guitar, piano & harp, from regular collaborators Ernesto & Guilherme Rodrigues, Miguel Mira, and Abdul Moimeme, plus Aural Terrains label leader Thanos Chrysakis.

An extended improvisation (the title meaning "film in your head") from Berlin drummer Yorgos Dimitriadis, a founding member of GRIX, GLUE and FABRIC trio, here in his first solo release, driving a small drum kit played conventionally and a hand-held microphone into remarkable sonic territory, in both meditative and rapidly rhythmic sections.

Unusual approaches to string improvisation from the quartet of Ernesto Rodrigues (viola), Guilherme Rodrigues (cello), Maria da Rocha (violin), and Miguel Mira (double bass), using extended techniques in subtle yet detailed discourse yielding unexpected qualities to their instruments.

Portuguese electric guitarist Luis Lopes met Chicago free improvising cellist and electronic artist Fred Lonberg-Holm in the studio in Lisbon to record these five improvisations, both using innovative approaches to effect processing to expand their sound into unusual sonic environments, balancing beauty and abrasive sound.

Two freely improvised works performed on cello, sine waves, cracklebox, bottle, synth, cornet and objects from the quartet of frequent collaborators Guilherme Rodrigue, David Area Guillermo Torres, and Tomas Gris, a mix of subtle improvisation and subsuming sound.

A 5-part introspective improvisation from the trio of Creative Sources leader Ernesto Rodrigues on violin, viola, and electronics; Guilherme Rodrigues on cello, pocket trumpet, and radio; and Jassem Hindi on clarinet; subtle work with extended techniques and unexpected punctuation.

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.

A surreal and sophisticated work with a 9 piece electroacoustic ensemble composed by sampling and computer artist Roberto Fega, with audio interludes and vocal aberrations, plus text by Jennifer Scappettone.

Electronic improvisations from Formian reed & electronics artist Fega, a member of Taxonomy with Elio Martusciello, as well as IATO and IXEM, Pangolino Orchestra, &c.

Arizona based percussionist Flinn, who has worked with Tim Perkis, Noah Phillips, in a solo work for drums, percussion and voice.

Solo improvisation from Stefen Keune performing on sopranino and alto saxophones, intense playing that focuses on hard-blowing and extreme performance, wringing a singularly desperate yet astute language from the horn.

In "Urban Landscapes" Irish guitarist and electroacoustic artist Mark O'Leary captures and documents environmental audio associated with Urban Cork City.

Solo improvisations on the Turkish Clarinet from Claudio Parodi, an Italian classically trained pianist who also works with self-built/self-modified electronics, non-western reeds, and selected percussions.

A polyphonic approach to noise using open improv and graphic scores from this Portugese quartet performing on sax, cello, percussion, amplified objects, circuit bending and analog electronics.