Two dense, 20-minute tracks of physical, visceral playing from prepared electric guitarist Simeon Abbot with the Bent Spoon Duo: percussionist Chris Dadge and viola/trombone player Scott Munro.

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.

The Australian duo of pianist Chris Abrahams (Necks) & Berlin harpist Clare Cooper in a series of 198 short improvisations performed on Yamaha DX7 and the 14th century Guzheng harp, presented with 198 illustrations in an unusual and obsessively rewarding project.

Multi-reedist and sruti box player Lucio Capece and Necks keyboarist Chris Abrahams on FM synth recorded these thoughtful and thought-provoking improvised compositions over two years in Berlin.

"Four hands on one piano" from the duo of pianist Chris Abrahams (The Necks) and Magda Mayas, both improvising in Berlin at the Vivaldi Saal performance space using their piano, harpsichord, and harmonium.

Formed in 2006, Andreas Trobollowitsch and Johannes Trondle create unusual works of spontaneous interaction shaped and structured in a conscious way - more real-time-composition than "pure improvisation".

Twelve short improvised pieces by Mike Adcock on a variety of different instruments that were recorded over a three year period.

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.

Eight duo improvisations on acoustic guitar and piano, with pianist Kawai preparing the piano with bolts, threads, &c. and Akiyama switching between prepared and slide guitar.

Rodolphe Alexis composed these works from a diverse set of recordings of trains, factories and other potent sounds, pairing them with recordings from saxophonist Stephane Rives using extended and unusual techniques, yielding these inventive and irrepressible sound works.

AMM percussionist Eddie Prevost playing all bowed sources in a subtle and ringing duet of bowing approaches with violinist Jennifer Allum of the London Post Quartet.

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.

This duet between cellist Altenburger and guitarist Russell was recorded at the Musique en Mouvement Festival Theatre du Jarnisy in 2008, an intense and intricate dialog of great dynamics.

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.

The acclaimed daxophonist Hans Reichel meets shruti stick and metallophone inventor Ganesh Anandan for these expressive and unconventional dialogs.

Sardinian guitarist Paolo Angeli teams up with After Dinner/Volapuk violinist and singer Takumi Fukushima for a complex, unusual, and wonderfully embraceable work recorded live in Bologna.

ap'strophe began working together in 2006 in search of a common sonoric space, which they found in the investigation of distinctive timbres between acoustic guitar and zither.

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.

Percussionist Paal Nilssen-Love in duet with organist Nils Henrik Asheim for dark onimous works of dramatic tension and tactile, scraping and thunderous drumming.

Recorded by Agusti Fernandez himself, these are lovely dialogs between the pianist and Derek Bailey on electric; rich and reserved conversation with free improv's elder statesman.

London Scene guitar master Derek Bailey from a 2004 live recording performing solo on electric guitar at G's Club, originally issued as a CDR but here complete on DVD.

A 2009 concert at The Rubin Museum Of Art, New York, on the 8th May, 2009 from the duo of double bassist William Parker, also performing on shakuhashi, dousn gouni; and the late violinist Billy Bang, also performing on thumb piano; organic and deeply felt dialog.

Minimal percussionist Tim Barnes (Quakebasket) met with sound artists Jeph Jerman in a gallery in Denver, Colorado in the summer of 2005, recording this 45 minute improvisation.

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.

Unusual improvisation from saxophonist Abdelnour using extended and microtonal techniques, and Pascal Battus who works with rotating surfaces from Walkmans as sound exciters.

A live recording at Levontin 7 in Tel Aviv between drummer/percussionist Gerry Hemingway and Israeli free jazz luminary Albert Beger on alto & soprano saxophones, a playful and interactive session.

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

Saint-Petersburg saxophonist Ilia Belorukov & Moscow-based electronic and computer musician Kurt Liedwart in a release balancing silence, space and chance using sinewaves & computers and prepared saxophone, a mix of modern ea-improv and Wandelweiser intent.

Dutch percussionist Han Bennink meets tenor saxophonist Evan Parker for their first duo release recorded in the studio in Gateway Studios, London, 2000.

Bug Incision's Bent Spoon Duo, in a release as part of the Micro Editions Series, in a performance of Chris Dadge and Scott Munro live in Vancouver, Feb 2008.

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

After performing at a night dedicated to Ed Blackwell and Don Cherry, vibraphone legend Karl Berger invited trumpeter Knuffke to Woodstock to teach and perform with him, from which this lovely album of duets was born, 2 CDs of original compositions of free and lyrical playing.

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

Two instruments - Bertoncini on violin; Lehn on analogue synth - with totally different histories come together and look for a connection across two great sets from 2006 & 2010.

An extended work from Antoine Beuger and Michael Pisaro, defined by six stanzas written by Beuger, Anna Swir, Mei-Mei Berssenbrugger and Edmond Jabes, a subtle cycle realized in tone and voice.

The duo of trombonist Jeb Bishop and saxophonist Jorrit Dijkstra in a studio release from Chicago performing a dozen succinct free improvisations using nothing but their horns and mutes.

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.

A set of saxophone & drums duo from Ex-Loung Lizard Blake and Copenhagen/NY drummer Osgood, free and melodic music with great rhythmic and harmonic diversity.

Newcomer vocalist Sara Serpa is accompanied by her mentor, pianist Ran Blake, for a set of wide-ranging jazz songs that are unconventionally and emotionally performed.

In 1988, on the spur of the moment, Blake and Braxton met to record this set of 8 standards, including pieces by Monk, Parker, Gillespie, Miles Davis, Mal Waldron, &c.

A vinyl-only limited edition album of Ran Blake's live performance on December 10, 2010 at St. Catherine's Church, performing mostly solo, and in duos with guitarist David "Knife" Fabris.

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.

Three free improvisations for voice & double bass + improvisations on Hugo Ball's Six Sound Poems from the duo of free improvising vocalist Jaap Blonk and double bassist Damon Smith.

The duo of Liz Allbee on trumpet and Anthea Caddy on cello in beautifully paced, mysterious improvisations using a minimal approach of extended and often disconcerting techniques augmented with subtle electroacoustic touches.

Recorded on various floors and in different rooms at the music school Bochum in Germany in 2014, the duo of reedists Katharina Bohlen and Claudius Reimann add spring drums, gongs, cymbals, tubular bells, and sound plates to their understated and moody improvisations.

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.

CD & DVD of Tim Brady's first installment in a triptych documenting a series of 24 pieces for guitar, here presenting Frames 19-24 for electric guitar, electronics and video.

Italian pianist Alberto Braida in a duo with Netherlands bassist Wilbert de Joode, a set of freely improvised works of intense dialog both technical and sensitive, with a playful give and take that incorporates magnificent use of both players instruments.

Legendary saxophonist and composer Anthony Braxton releases the first saxophone duet recording of two ghost trance compositions performed with reed player Kyle Brenders.

Anthony Braxton's Ghost Trance Music (GTM) in two compositions (numbers 339 and 340) performed by Braxton on multiple reeds and classically trained experimental vocalist Ann Rhodes.

Stalwart avant-garde master Anthony Braxton meets fellow reedman Ben Opie in a pair of extended duet sessions: a Ghost Trance Musics work, and a late GTM work.

The complete meeting of bassist Joelle Leandre with reed player Anthony Braxton 2 CDs from their magnificent performance at the Heidelberg Cafe in Belgium, 2007.

Clean Feed's 100th release is a 4-disc set of multi-reedist Anthony Braxton and guitarist Joe Morris, two masters playing completely improvised pieces.

Legendary saxophonist Anthony Braxton met trumpeter John McDonough at Wesleyan University in 2006 to record these original compositions, plus a march by John Philip Sousa.

Limited edition DVD plus audio files of two extended sets bringing saxophonist Anthony Braxton and cornetist Taylor Ho Bynum together live at Bezanson Recital Hall in Amherst, MA in 2010, performing compositions by both artists.