Longtime collaborators Abbott and Dadge release their first album together, a dizzying array of ideas and sounds recorded live at the monthly Calgary based Bug Incision concert series.

Six mysterious soundscapes from Sophie Agnel's bowed, plucked, strummed and struck prepared piano timbres in duo with Minton's grunts, gurgles and growls.

Two acoustic guitars collaborate in a beautiful and spare dialog, using extended techniques including bowing and percussive approaches that never detract from the sublime elements of their playing.

Members of Eddie Prevost's weekly improvisation workshops, violinist Jennifer Allum and cellist Ute Kanngiesser, recorded these 3 improvisations, running the gamut from spacious harmonics to vigorously weaving dialog, in 3 rooms of St Augustine's Bell Tower in London.

AMM (Eddie Prevost on percussion and John Tilbury on piano(+)) performing a 1 hour, 1 minute and 1 second live concert at the 2012 Festival of Traditional and Avant-Garde Music in Lublin, Poland in a beautiful melding of unconventional approaches to improvisation.

Two live recordings by master improvisers John Tilbury (piano) and Eddie Prevost (percussion) playing two emotional sets that are quiet at just the right times and allow for a balanced amount of white space, creating beautiful music.

2010 recordings of AMM (pianist John Tilbury and percussionist Eddie Prevost) performing at the Dom Kultury Centre in Poland, three "paragraphs" of introspective and exceptional improvisation.

Using an electric 12-string shruti stick, a Harry Partch guitar & percussion Anandan & Gzowski create amazing microtonal environments with growling vocal interventions.

Free improvisation in the SME/Derek Bailey lineage from the duo of Stockholm-based John Arrias on sax and clarinet and Gothenburg-based Christian Munthe on acoustic guitar, using extended techniques with accessible language in unhurried and intertwining improvisations.

Drummer and electronic artist Jean Martin joins forces with amazing vocalist Christine Duncan for an album of rhythmic soundscapes and free vocal improvisation.

The duo of long-time collaborators guitarist Bill Frisell and drummer Joey Baron, two of Downtown NY's finest players, performing 9 tracks of original numbers and work by Sam Cooke, Ray Noble, Ron Carter, and Charlie Parker.

The duo of Miguel A. Garcia on electronics and Lali Barriere on objects and no-input mixer for an album of investigative, detailed improvisation that's well paced and calmly complex.

Shakuhachi duets from veteran player Clive Bell and Lebanese improviser Bechir Saade recorded in England, 2007; lyrical, haunting and unexpected.

The Calgary duo of Chris Dadge on violin and acoustic guitar, and Scott Munro on violin and partial trombone, performing live in Edmonton, Canada.

Antoine Berthiaume (guitar, effects) and MaryClare Brzytwa (flute, laptop, electronics) in twelve pieces of intriguing improvisation.

NY bassist Michael Bisio and pianist Matthew Shipp continue their collaborations from their trio work with Whit Dickey in this duo release recorded in the studio, beautiful and amazing telepathic communication.

Mauricio Kagel's 1970s avant cinema film "Ludwig Van" about Beethoven's music, is reinterpreted by pianist Frederic Blondy and turntablist DJ Lenar, improvising at Zacheta National Gallery of Art, in Warsaw, Poland, 2011, and assembled in studio.

The 2nd release from Italian composer/performer Alessandro Bosetti and Australian pianist Chris Abrahams (The Necks), a very intimate album of sonic explorations that spans improvised fragments and original renditions of compositions like Steve Lacy's "Esteem" with Bosetti's lyrics.

Necks pianist Chris Abrahams teams up with electronic artist and sound poet Alessandro Bosetti for 6 introspective and mysterious tracks that mix Necks-like playing with ambient electronics and curious monologs, plus one waltz.

Chris Dadge (drums, percussion) and Andre Bourgeois (saxophones) play two sets of mostly straightforward free jazz with reasonably fixed outlines throughout the structure of each piece.

Toronto creative improviser multi-reedist Kyle Brenders (AIMToronto, The Rent) in an unhurried and intuitive duo with the drummer & percussionist of his quartet Brandon Miguel Valdivia (Not The Wind, Not The Flag).

Arthur Bull (guitars) and Daniel Heikalo (guitars, percussion) in six guitar duets and five other tracks in which the guitars pair up with Heikalo's percussion.

The first release by the duo of guitarists Arthur Bull and Daniel Heikalo which is a series of free improvisations that are presented without any editing or post-processing.

This duo arose from the meeting between two violists avid to confront with their instrumental double to create a common sound universe from the same instrument played by two different personalities.

Percussionist Hemingway with John Butcher on tenor and soprano sax performing live in 2005, demonstrating their extended language in a brilliant and eccentric dialog.

Tense and subtle improvisation from the Belgian duo of pianist Marjolaine Charbin playing inside and out of the piano and alto saxophonist Frans van Isacker using microtonal and extended approaches with the sax.

The 7 part "Knotted Alembic" is an improvisation between electroacoustic artist and label leader Thanos Chrysakis and Brazilian based Chilean pianist Philip Somervell performing inside and out of the piano.

The duo of Thanos Chrysakis on laptop and electronics, Wade Matthes on digital synthesis and field recordings, in an album of improvisations where synthetics and real-word sounds combine and collide in intriguing ways.

A set of playful, upbeat duos from West Coast-born bassist Greg Cohen and NY guitarist Bill Frisell, celebrating Cohen's home state of California in 6 originals and 3 California covers.

Violinist Mike Khoury and electronic artist Andrew Coltrane in an album of thick and blurry sonic environments and effected string interaction, a bit like a drive in an ancient auto on alien moons.

The first release on the pianist and composer Tonino Miano's new Impressus label is a like-minded, far-ranging and imaginative duo with trumper Mirio Costonnin.

The duo of NY-based pianist Tonino Miano and trumpeter Mirio Cosottini in a "voyage within where the musicians try to abandon preconceived notions of sound and let the past and the present collide to give us clues as to who we are".

Brooklyn based bassist Stephan Crump (Rosetta Trio) and guitarist Mary Halvorson (MAP, Braxton, &c) perform duos recorded at Butler Plaza in Brooklyn, 2011, thoroughly modern improvisation from two of NY's finest young players.

Chris Dadge & Rachael Wadham, who toured in 2007 in support of Peter Evans, play piano and percussion augmented with found objects, violin, percussion and junk.

Debut recordings and first recorded document of the duo of resonator guitarist Cody Oliver and drummer/percussionist Chris Dadge performing a live broadcast at CJSW studios in Calgary.

Limited edition archive CDR of 1960's instrument inventor the late Hugh Davies, solo and with Richard Orton, to accompany the Another Timbre release "For Hugh Davies".

The duo of tenor saxophonist Bertrand Denzler and percussionist Antonin Gerbal, 2/3 of the Zoor trio, in an album of free improvisation contrasting simple and complex sounds, organic and mechanical rhythms while evoking asymmetric, geometric or enigmatic shapes.

The Texas duo of amplified & acoustic trombonist David Dove and Jawwaad Taylor on electronics, voice and trumpet, urban-oriented creative free improvisation in slowly evolving and evocative forms.

Two leading UK improvisers - Paul Dunmall and Mark Sanders - perform on bagpipe and drums, a rare combination taking both players into unexpected and exceptional improvisational territory.

The collaboration of UK saxophonist Paul Dunmall and American ex-pat drummer Tony Bianco has at least a 15 year history, heard in these telepathic duos of free improvisation recorded at Delbury Hall, Shropshire in 2014 for 3 extended works of breathtaking playing.

The debut recording from the duo of Montreal-based frequent collaborators, trumpeter Ellwood Epps and Joshua Zubot on violin and low octave violin, excellent extended dialog with elegant flair and great insight into each other's playing.

eRikm on 3k Pad Loop System, Electronics and Norbert Moslang playing Cracked Everyday Electronics in a collection of recordings from European concerts performed between 2002 and 2005; produced by Guiseppe Ielasi..

NYC trumpeter Peter Evans and bassist Tom Blancarte play very experimental improvisation pushing the boundries, density and speed of free improv interaction.

Guitarist Sandy Ewen and double bassist Damon Smith recorded these 2 extended improvsations in concert as part a "Desbordamientos" series at Cine Tonala, in Mexico City, pairing live music with screenings of Derek Bailey's 4-part series on improvisation.

Luigi Nono associate Roberto Fabbriciani on hyperbass flute improvising with Berlin-based tuba player Robin Hayward at the Basilica di San Domenico in the Tuscan hilltown of Arezzo.

WPG is John Ferguson and Robert van Heumen, blending a fractured pulse with dynamic texture into an immersive and disorientating music, from subtle to invasive sound.

Frequent collaborators Fields and Schubert on electric guitar and tenor saxophone performing innovative and virtuosic material in ways that sound much larger than a duo setting would imply.

The beautiful and introspective duo of guitarist Scott Fields and Jeffrey Lependorf, a certified master of the shakuhachi, performing new works for guitar and shakuhachi that combine written and improvised material, lovely and intelligent music.

The minimalist duo of Klaus Fili performing on sinus-waves and Dafne Vicente-Sandoval on bassoon, performed deconstructively and amplified with miniature microphones, in two extended recordings of introspective and austere dialog.

For more than 25 years the duo of saxophonist Paul Flaherty and drummer Randall Colbourne have performed as a duo, here captured in the studio for six tracks of exceptional and telepathic free improvisation.

The debut studio recordings from Calgary, Canada's Mark Fleischhaker and Scott Munro, electronically manipulated vocals with a loose sense of the word.

Two works, one each from trombonist Radu Malfatti and clarinetist Jurg Frey, also credited with "instruments", field recordings and couterpoints; electroacoustic reductionist work of beautiful character that unfolds slowly and rewards attentive listeners in morphing sound.

"Zwirn" means "twine" in German, an apt description of the interweaving sound that double bassists Daniel Studer and Peter Frey play together, in 7 freely improvised works of unusual technique and new musical structures.

Two masters who rarely play together--guitarist Fred Frith and saxophonist Evan Parker--performing together as a duo at the 30th Musique Actuelle Festival in Victoriaville, Canada for an amazing exchange of ideas and intensely subtle dialog.

Helen Mirra uses the index of a W.G. Sebald's novel to create a mysterious, intriguing and fascinating audio world, performed by Mirra on printing press and acoustic guitar, and Fred Frith on rainsticks, mbira, charango, music box, voice, shoes and other objects.

The duo of Richard Barrett and Paul Obermayer in 12 studio tracks of semi-composed electronics, and a live improvised tribute to Karlheinz Stockhausen.

The duo of electric guitarist Olaf Rupp and soprano saxophonist Christoph Gallio in a set of 13 studio improvisations, restrained and thoughtful dialog of great technical skill and unusual tonal approaches to both instruments.

Reissuing the 2005 Utech release from the duo of Frode Gjerstad on clarinets and Steve Hubback on hand-made drums, cymbals and gong, performing live at Lille Konsertsal, Stavanger, Norway, in February 2001.

Two amazing wind players - saxophonist, clarinetist and flautist Vinny Golia and saxophonist Urs Leimgruber - in a series of free improvising duos pushing their instruments into unusual and captivating territories.

Improvisers Craig Green (guitars, electronics) and Dave King (drums, percussion, organ) recorded and mixed this haunting album in two days, successfully creating a dark and moody virtual soundtrack.

Saxophonist Alexandra Grimal recorded this double CD with pianist Giovanni Di Domenico a the Theatre Du Chatelet, in Paris, France, for adventurous dialog in a dynamic set of original Di Domenico compositions plus freely improvised work, both duo and solo.

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.

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.

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.

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.

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

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.

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.

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.

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.

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.

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.