The late great saxophonist Julian Hemphill and bassist Peter Kowald, essential free jazz players from NY and Germany, performing solo and as a duo live at Kassiopeia, Wuppertal in 1987.

The late great saxophonist Julian Hemphill and bassist Peter Kowald, essential free jazz players from NY and Germany, performing solo and as a duo live at Kassiopeia, Wuppertal in 1987.

Captivating improvisational journeys with drummer and percussionist Gerry Hemingway and Jin Hi Kim performing on the Korean komungo black zither .

A demanding duo from New York drummer William Hooker and Lithunian saxophonist Liudas Mockunas, performing live at the 2013 Vilnius Jazz Festival, hard-edged and rugged free music from two outstanding players.

A collosal encounter of drummer William Hooker and the late wind player Thomas Chapin performing at the 9th Street Gallery in NYC in 1992, 3 massive improvisations from the jazz underground.

A collosal encounter of drummer William Hooker and the late wind player Thomas Chapin performing at the 9th Street Gallery in NYC in 1992, 3 massive improvisations from the jazz underground.

The unlikely combination of tuba and spinet from Carl Ludwig Hubsch and Christoph Schiller (Millefleurs) taking each instrument beyond their traditional sound through extended technique and style.

Digital concert recording made in Brussels at the L'Archiduc from trombonist Paul Hubweber and prepared pianist Philip Zoubek, two generations of players with tremendous empathy and dialog.

Violist and vocalist Charlotte Hug met Fred Lonberg-Holm in Zurich, 2009 to make these concert recordings, a duo taking stringed instruments into unique and irrepressible territory.

Using extended techniques on viola and piano, Charlotte Hug and Frederic Blondy draw the listener into unusual and encompassing sound worlds that feel electronic, yet are created through acoustic improvisation.

Masters of tonality, in their 2nd release the dual clarinets of Kai Fagaschinski and Michael Thieke are heard without any guest musicians, making a rich, gorgeous album of tense timbres.

The duo of Berlin clarinetists Kai Fagaschinski and Michael Thieke (The Magic I.D.) create rich, evolving soundscapes using tones and odd interjections in unison and in dissonance, dark works of subtle beauty in unique sound oriented compositions.

Improvising artists Catherine Jauniaux on voice, bird call, cupule, cazoo and eRikm on turntables, electronics, live sampling, architect lamp recorded these 17 pieces for the radio show A L'improviste by Anne Montaron for France Culture Radio.

Brighton, UK turntable/electronics improvisor Daniel Jones and the American guitarist Barry Chabala meet for an album of ringing and beautiful lowercase sound.

The first meeting of Jason Kahn and Phil Julian, both performing on analogue modular synthesiser, intended to be recorded as material for studio sound compositions, but which was so compelling as improvised work that they chose to release the album as recorded.

Sonic explorer Jason Kahn & Asher Thal-Nir in a 2008 concert at Boston's Axiom Gallery for a performance that creates inspired sound worlds by layering Kahn's planes of sound with Asher's environmental processing.

Noise and sound artist Zbigniew Karkowski and Canadian born Japanese based noiser Kelly Churko in four recordings from Super Deluxe and Soup in Tokyo, bookmarking the release with harsh distortion offset by spacious and dynamic glitch and subtly aberrant sound.

Electronic artist (and on this release, pianist) Olivia Block and radical trumpeter Greg Kelley meet for five works that range from breathy meditations to active "slapstick" routines of bewilderingly interesting sound.

Detroit creative improvisers Christopher Riggs on guitar and Mike Khoury on violin in six studio tracks demonstrating unique approaches to their respective instruments.

Nine tracks from two albums that Konitz recorded with German pianist Frank Wunsch in the early 90s - "Into It - Solos and Duos" and "Frank-Lee Speaking" - beautiful soulful jazz dialog between two lyrical masters.

Kosi is Akosua Gyebi Sorensen, a New York vocalist, guitarist and songwriter, here presenting a mix of standards and original compositions performed with guitarist Aron Marchak.

Berlin based Annette Krebs and Tokyo sound artist Taku Unami bring together a variety of improvisation, compositional and unlikely sources for 5 part puzzle box of understated sound.

Guitarist and electroacoustic musician Krebs met harpist and electronicist Rhodri Davies in 2008 for these recordings, which Krebs then organized for these fascinating recordings.

Eric La Casa and Cedric Peyronnet collected sounds in a triangular area in the north of the Creuse departement, France, giving the landscape a sonic corporeality by each initiating a sound work based on a specific site, which the other composer expanded upon.

Site specific recordings made for two live performances in Le Havre and Liege (2010) by sound artists Eric La Casa and Cedric Peyronnet, one disc each of sound sculpted from the same field recordings, but with vastly different results.

Diane Labrosse is on sampler with Martin Tetreault on turntables in this abstract release of electronic improvisation.

Using improvisation, interactive listening and radical exploration, electronic artists Diane Labrosse and Michel F. Cote play with constructing and deconstructing 11 pieces.

Recorded at Graham Lambkin house, the duo treated the entire building and surrounding grounds as a studio in "musical settings for common environments and domestic situations".

An incredible and twisted journey in sound from sonic explorers Graham Lambkin and Jason Lescalleet, who alternately hypnotize and startle the listeners in a series of "photographs" documenting their personal histories in sound.

Balancing active organized sound worlds from Graham Lambkin with Wandelweiser discretion from Michael Pisaro-Liu in five tracks that punctuate concrete sound compositions with Feldman-esque piano progressions, bound together by a short poem; captivating and elusive.

Duo improvisations on pieces composed by clarinetist Pierre Langevin and percussionist Pierre Tanguay, using unusual instruments such as bagpipes, jaw-harps, accordions, etc.

After many years collaborating together, New York saxophonist Ingrid Laubrock and drummer Tom Rainey present their debut as a duo in a series of improvisations, from subtle interaction to rousing interplay.

The exceptional improvising duo of Daunik Lazro (saxophone) and Joelle Leandre (bass, voice) in a live recording from Hasparren of dark and beautiful free improvisation.

A concert recording from Munich, 1997, of these two virtuoso players, creating nine improvised pieces each of totally different character.

The live recording of basist Leandre and trombonist Geroge Lewis at the Vision Festival XIII concert, awarded "Best Performance of the Year" by All About Jazz NY.

Bridging two generations between Chicago and France, "Sisters Where" is an inspired and freely improvised dialog from flutist Nicole Mitchell and double bassist Joelle Leandre, presenting six studio recordings of inventive and lyrical playing.

Relative Pitch Records debuts with the excellent duo of bassist Joelle Leandre and Bay Area woodwind improviser Phil Greenlief in 11 variations for contrabass and woodwinds.

Two strings take 6 journeys at the International Society for Improvised Music, as bassist Joelle Leandre met violinist India Cooke for their 2nd recorded duo after their 2005 Red Toucan release.

The duo of French bassist Joelle Leandre and flautist Jerome Bourdellon, two tremendously skilled improvisers in an impressive dialog on a variety of flutes, bass clarinet, bass, voice, with one solo piece from each.

Fourteen short, improvised pieces from the duo of Joelle Leandre (double bass, voice) and Gianni Lenoci (piano, objects) that follow an aesthetic somewhere between jazz and contemporary music.

11 years after their last duo release on Leo, influential bass players William Parker and Joelle Leandre come together for these performances at Sons d'Hiver festival.

Joelle Leandre on double bass and vocals with Danielle P. Roger on drums and percussion in this improvisational meeting of two loud sound-worlds.

2011 live recordings from The Loft in Cologne of Swiss saxophonist Urs Leimgruber and London drummer/percussionist Roger Turner, 7 improvisations that shifts from introspective to highly active discourse using extended and unusual techniques.

The Italian duo of pianist Gianni Lenoci and soprano saxophonist Gianni Mimmo using extended and unusual techniques through eight improvisations mixing melody, timbre and tone.

A mixture of composition and improvisation ranging from earnest to farcical in this early recording from Robert M Lepage (clarinet, sax) and Rene Lussier (guitar).

The duo of Jean Derome and Rene Lussier on their third album of composition and improvisation that was recorded live with no overdubs.

Taking their name from the German Town Bad Fallingbostel, this album collects recordings from the 3 year collaboration of these two improvising sound artists: Gunnar Lettow on prepared bass guitar, electronics & objects; and Korhan Erel on computer & controllers.

Part of the Alike As Trees Festival 2011, pianist plus Sebastian Lexer met Christoph Schiller on spinet at The Rag Factory in London to record these intense and unexpected improvisations from two key instruments by two key London players.

Frode Gjerstad in a duo with long time colleague Chicago cellist Fred Lonberg-Holm for 9 pieces performed in 2012, with Gjerstad on bass saxophone, Bb and bass clarinets and Lonberg-Holm on cello; open-ended dialog of compatible approaches to free improvisation.

The string duo Bobun celebrates ten years of creative collaboration with this six piece suite, a studio recording of diverse improvisations that runs the gamut from lowercase minimalism to dense and technically exuberant interaction.

After a decade of playing together pianist Lossing and bassist Herbert release this duo album relfecting their close musical kinship and friendship.

Bassist Matthias Bauer and Maria Lucchese on theremin, zither, didgeridoo, launeddas, oceandrum, and gong, perform free improvisation with Bauer providing a solid melodic foundation which Lucchese punctuates and expands in unique and surprising ways.

The guitar and drum duo of Rene Lussier and Pierre Tanguay in the first recording from their project "La vie qui bat", an excellent recording of improvisation.

The duo of Rene Lussier (guitar, daxophone) and Martin Tetreault (synthesizer, electronics, drum machine) find inspiriation from the old school of musique concrete in this excellent release.

Continuing where La vie qui bat: Chevre left off, this is the second installment of the project from the duo of Pierre Tanguay and Rene Lussier where they take a journey though human nature.

First meeting of experimental musicians Keith Rowe & Radu Malfatti in a 3 disc set: one disc of compositions by Jurg Frey and Cornelius Cardew; one disc of their own compositions; and one disc of improvisation.

The improvising duo of trombonist Radu Malfatti and electronics/sinewave artist Klaus Filip in two extended and beautiful works that investigate the edges of ultraminimalism.

Pianist, flautist & vocalist Masashi Harada and the late saxophonist Joe Maneri worked together from the mid 80s, here in a studio work from 2003 of great creative power.

Surreal sound experiments using poetry, noise and ambient music and an eclectic set of instruments to make bewildering and enjoyable compositions, recommended!

Paal Nilssen-Love with Lasse Marhaug, recorded and edited by Fe-mail/Spunk Hild Sofie Tafjord to create 6 fascinating free-form compositions of sound and texture.

Percussionist Tony Marsh in four percussion solos and eleven duos with Veryan Weston on church organ performed live at St. Peter's church in Whistable, England.

Much more than a simple duo, with overdubbed saxophone Martin & Shaw make large and complex environments & orchestral sections over which they nimbly improvise.

Intensely technical to beautifully pastoral dual acoustic guitars from Parisian Marzan, who has worked with Beresford, Rowe and Russell, and SME alumni Roger Smith.

The dialog of two improvising guitarists who, since 2004, have explored "timbres, interspersed with fragments of chords, rhythms and melodies, parallel plays in imitation or opposition".

Necks drummer and percussion Tony Buck in a duo from December 2007 performing at the dOeK Festival in Bimhuis, Amsterdam with extended technique pianist Magda Mayas.

The duo of percussionist Gerry Hemingway and guitarist Terrence McManus in seven absorbing improvisations on rhythm, melody, harmony, and sonic exposition.

A project about the rich jazz history of Brooklyn, NY, recorded in that burrough by NY saxophonist Joe McPhee & bassist Ingebrigt Haker Flaten, referencing Putnam Central, The Blue Coronet, Sonny Rollins, and Brooklyn itself.

Saxophonist and pocket trumpeter Joe McPhee and drummer Michael Zerang recorded this suite of superb duos live at Big Top in New Orleans, LA in the fall of 2009, extended, unusual and masterful improvisation.

The first in a series of releases from Bug Incision's archive of late saxophonist Dan Meichel, from recordings in Calgary in 2008 showing Meichel's articulately heavy style against Dadge's inventive drumming and percussion.

London clarinetist Noel Taylor in a meeting with pianist Noel Taylor, delicate and beautifully paced duos that borrow from many genres and modern approaches to create informed and stimulating dialog.

Two improvisations with Misha Mengelberg on piano & Evan Parker on tenor saxophone, one in concert and the other before the audience arrived, recorded at the Bimhuis in Amsterdam in 2006.

The duo of pianist Tonino Miano and trumpeter Brian Groder, both NY based, in a sophisticated jazz duo that borrows from melodic, avant and compositional jazz forms in a strong and compelling dialog.

An album of direct, succint and turbulent conversation between guitarist Pedro Gomes and pocket trumpeter Sei Miguel performing live-in-studio by-the-book (of visions, the panorama key)!

An album of direct, succint and turbulent conversation between guitarist Pedro Gomes and pocket trumpeter Sei Miguel performing live-in-studio by-the-book (of visions, the panorama key)!

The debut recording from NY pianist Matt Mitchell, in a duo with drummer Ches Smith on drums, percussion & vibes, 15 inventive original compositions written to push Mitchell's technical skills in improvisational settings, each an ingenious little puzzle.

Reeds and electronics from Art Ensemble's Roscoe Mitchell and improviser David Wessel in a DVD from the Paris IRCAM festival, 2004, and a CD of a 2002 live recording at UC Berkeley.

The unusual cello duo format is explored by Mitzlaff and Mira in these experimental contemporary improvisations using acoustics and techniques mimicking live electronics to create a uniquely informed music.

Seven days of "Vacation Music" titled by the weekdays from the duo of Liudas Mockunas from Lithuania on saxophones and clarinets, and Ryoji Hojito from Japan on piano, small instruments and voice.