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

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.

Perhaps the most iconic and "classic" of AMM albums, recorded at The Crypt in London in 1968 with AMM as the quartet of Cornelius Cardew on piano & cello, Lou Gare on saxophone and violin, Christopher Hobbs on percussion, Eddie Prevost on percussion, and Keith Rowe on guitar & electronics.

The trio of Mats Gustafsson on saxophone and electronics, keyboardist Pat Thomas and percussionist Roger Turner performing live in Derby in 1998, a challenging and fascinating set.

Live recording from Oxford Improv Club in 2010 opposite Red Square with Paul Dunmall on saxophones, Phil Gibbs on electric guitar and electronics, Nik Stevens on double bass and Trevor Taylor electronic percussion.

Live recordings from 1973-74 from the trio of drummer John Stevens, guitarist Derek Bailey, and saxophonist Trevor Watts, dynamic works performed "impromptu" with a wealth of ideas as these innovators demonstrate the skills that helped define them as masterful players.

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

British saxophone phenomenon John Butcher meets Vancouver's premiere bassist Torsten Müller and drummer Dylan van der Schyff for an amazing live set at the Western Front.

Mysteriously dark electroacoustic improv from the adept trio of John Butcher on acoustic and amplified saxophones, Burkhard Beins on amplified bass drum and electronics, and Mark Wastell on amplified 32" paiste tam-tam, slowly evolving, rich environments in sound.

The forward-thinking trio The Contest of Pleasure of Axel Dorner on trumpet, John Butcher on saxophone and Xavier Charles on clarinet, is extended with (More) from Laurent Sassi and Jean-Leon Pallandre on phonographies, mixing and microphones, performing live in Ulrichsberg.

The Convergence Quartet (Taylor Ho Bynum, Harris Eisenstadt, Alexander Hawkins and Dominic Lash) in their first FMR CD performing inspired modern jazz live in Oxford.

Long time associates since their Mujician days, saxophonist Paul Dunmall, bassist Paul Rogers and drummer Tony Levin are recorded live in Austria for two extended and deeply joyful improvisations.

The UK trio of Paul Dunmall on saxophone, Paul Rogers on bass and Mark Sanders on drum, performing live at the Lamp Tavern in Birmingham, 2013, for three extended free improvisations of masterful playing.

Live recordings from 2009 at Delbury Hall with the mighty Paul Dunmall on tenor and clarinet; blistering music from an incredible trio playing seriously smoking free jazz.

An incredible display of virtuosity and free jazz melodicism led by saxophonist Paul Dunmall, with dual guitars from Barry Edwards and Philip Gibbs, and Mark Sanders' propulsive drumming.

The quartet of Paul Dunmall on soprano sax and bass clarinet; Philip Gibbs on guitar; Neil Metcalf on flute; and Paul Rogers on 7-string bass; a unique orchestration with impressive improvisational results.

The great, late UK drummer Tony Levin is paid tribute in an album of lovely, unique and oft eccentric compositions performed by a (drumless) trio of peers: saxophonist Paul Dunmall, guitarist Phil Gibbs, and bassist Paul Rogers.

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.

"Two Pianos" is one of Morton Feldman's most experimental and radical works, performed here by John Tilbury & Philip Thomas; plus lesser known works including 'Piece for Four Pianos', 'Between Categories', 'False Relationships and the Extended Ending' and 'Two Pieces for Three Pianos'.

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.

Finnish free jazz master Frode Gjerstad in a trio with drummer Mark Sanders and bassist John Edwards performing live at the 2008 NattJazz Festival in Norway.

Extraordinary reed player Gjerstad on alto sax and clarinet in a quartet with two cellos (Fred Lonberg-Holm & Amit Sen) and all around drummer Paal Nielsen-Love.

Perhaps Norway's most creative multi-reedist Frode Gjerstad meets Chicago cellist Fred Lonberg-Holm for a series of freely improvised duets, a remarkable dialog from two tremendous improvisers.

Free improvising from saxophonist Frode Gjerstad and vibraphonist Kenvin Norton, recording in the same space as their previous duo CD, but with guitarist David Watson as a 3rd voice.

Insanely great improvisation in the 3rd recorded outing for this amazing trio, bringing Free Europe and New York Downtown players together for 3 extended compositions.

Saxophonist Halliwell appears here in three duo performances with Rhodri Davies playing E-bowed harp; Steve Roden with extracts from his "resonantlighttones"; and Mark Wastell on tam-tam.

Ist - Rhodri Davies (harp), Simon H. Fell (double bass) & Mark Wastell (violoncello) - recorded this fascinating, quietly active lower case work at Total Music Meeting in Berlin 2001.

Since 1995 the string trio of Rhodri Davies, Simon H. Fell & Mark Wastell have created sparse, introspective improvisation, performing here at the Contemporaneamente festival in Lodi, Italy.

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.

The dual alto saxophones of Martin Kuchen and Seymour Wright meet guitarist Keith Rowe for an impressive journey of free improvisation with Rowe taking the lead.

Berlin pianist Magda Mayas, working with Tony Buck as recording engineer, performs inside and out of the piano in an amazing display of timbre and technique.

UK improviser Matt Milton plays violin & objects, joined also by drummer/object-ist Patrick Farmer, violist David Thomas and voice/breath/snare player Ryan Jewell.

Jonathan Webb and Robert Hopps combine processed field recordings with guitar, turntables, electronics, and found sounds in long form drone-oriented improvisations.

Superb improvisation from three masters - Evan Parker on sax, Barry Guy on bass and Paul Lytton on drums - performing at the Maya Recordings Festival, September 23 - 25, 2011 at Theater am Gleis, Winterthur, Switzerland.

The extraordinary trio of three masterful players from different generations who have broken with convention while playing within free forms--Evan Parker on sax; Joe Morris on guitar; and Nate Wooley on trumpet--performing live at Firehouse 12 in Connecticut, 2014.

Freely improvised clarinet duets featuring rapidly shifting patterns of melodic interplay from Italian Alberto Popolla and British Noel Taylor (LIO), with distinct approaches to the instrument resulting in episodic interplay.

London's Remote Viewers in their 13th release, quoting W.H. Auden in an album of excellent structured improvisation with David Petts, Caroline Kraabel, Sue Lynch & Adrian Northover (saxes), John Edwards (bass & drums), and Rosa Lynch (keys and percussion).

David Pett's Remote Viewers with 4 saxophonists and keyboards, and the rhythm section of John Edward and Mark Sanders, complete their noir trilogy with an album blending compositional and improvisational forms in mysteriously dark and satisfying forms.

The British improvising trio of tenor saxophonist Paul Dunmall, 7-string bassist Paul Rogers and drummer Tony Bianco performing two long and serpentine improvisations at Delbury Hall, Shropshire in 2010.

The subtly complex trio of Richard Sanderson on amplified melodeon, dictaphones & small percussion, Mark Wastell on tam-tam & shruti box, and Matilda Rolfsson on percussion performing an extended improvisation live at The Horse Improv Club, l'Klectic, London.

The first meeting of AMM guitarist Keith Rowe and pianist John Tilbury after Rowe departed in 2004, a delicate and intricate long improvisation, fascinating dialog between two long-acquainted and innovative conversationalists.

6 works from a series of minimal compositions loosely based on the art & writings of Sol LeWitt, performed by the Edges Ensemble: Philip Thomas, James Saunders, Tim Parkinson, Angharad Davies, Stephen Chase & Rhodri Davies.

Tim Barnes on snare drum and amplification and Mark Wastell on amplified textures, tuned metal, making small, mostly unidentifiable sounds with a Cage-style open flair.

For a decade this trio has created some of the most interesting electroacoustic improvisation, captured in a 38 minute performance at the Ear We Are Festival in Biel, Switzerland, 2007.

Splatter's 3rd CD resulted from a meeting between the London-based quartet Splatter (Noel Taylor-clarinet; Anna Kaluza-sax; Tom Greenhalgh-drums; Pedro Velasco-electric guitar) and Polish bassist Rafal Mazur after their successful collaboration at Cafe Oto in 2010.

The British quartet of saxophonist Anna Kaluza, clarinetist Noel Taylor, guitarist Pedro Velasco and drummer Michael Caratti, in a moody and shifting album of improvised and composed music.

The exceptional free jazz quartet of saxophonist Larry Stabbins, pianist Howard Riley, bassist Tony Wren and drummer Mark Sanders performing 4 extended improvisations of great dialog and dexterity.

A 2nd outing for this electronics-based trio using field recordings, zithers, turntables, amplified knitting machine, &c.; a 60 minute improvisation recorded in concert in Hull in November 2010.

Electronics artist Watkins wrote this piece for resonant spaces, interactive electronics, audience participation & string quartet, here in a special version tuning each string to an odd partial of 60Hz.

The UK and Vancouver meet for a second release under the Way Out Northwest name - British saxophone master John Butcher with bassist Torsten Muller and drummer Dylan van der Schyff - recording for Sonarchy Radio.

Music inspired and fascinated by Italian cultural history, art, poetry, &c., from the collective quartet of John Butcher, John Edwards, Fabrizio Spera and Alberto Braida.

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.

Le Grand Groupe Regional d'Improvisation Liberee (GGRIL) of the St. Lawrence region is conducted by British saxophonist Evan Parker in this live concert held in Rimouski after a workshop hosted by Evan Parker.

UK multi-reed master Evan Parker brings an all-star electroacoustic septet to the 2014 Victoriaville Festival for the massive and wonderfully detailed two part composition "Seven", performed with Peter Evans, Okkyung Lee, George Lewis, Ikue Mori, Sam Pluta, and Ned Rothenberg.

Hard working free improv session from the UK trio of Paul Dunmall on tenor sax, John Edwards on double bass and the late Tony Marsh on drums, performing live at the Vortex in 2010, and at UWE in Bristol, 2007, never released material reminding of Marsh's stature and skill.

Chris Conway's Continuum, fusing electronic music, jazz, ambient, minimal and more in unique ways, on the first release for their Zorpin Music label.

This exquisite improvising trio in a passionate and lyrical sequence of group improvisations, introducing one of Toronto's extraordinary creative music ensembles.

A live recording at Belfast's Sonic Arts Research Centre during the Translating Improvisation: Beyond Disciplines Beyond Borders colloquium, from the intrepid improvising trio of Matthew Bourne (piano), Steve Davis (drums) and Dave Kane (double bass).

A live recording at the Jazzfest Trondheim, Trondelag Senter for Samtidskunst, in May 2015 from the freely improvising duo of John Butcher and contrabassist Michael Duch, a superb extended concert of incredible reed technique and concept anchored by Duch's flexible bass work.

The debut album by the British Improvised Music trio Bay's Leap of clarinetist Noel Taylor, pianist Clare Simmonds and cellist James Barralet, presenting 11 spontaneously improvised compositions that bridge avant jazz and contemporary classical chamber music.

Blending jazz and rock forms with frenetic excitement and masterful control, multi-reedist Forebrace quartet with Roberto Sassi (electric guitar), Santiago Horro (electric bass) and Jem Doulton (drums) run the gamut on exultantly virtuosic improvisation, here recording live at Cafe Oto.

London master drummer Steve Noble (Rip Rig and Panic, Derek Bailey), a mainstay on the scene for decades, with Scandinavian free improvising saxophonist Kristoffer Berre Alberts (Cortex, Saka, Starlite Motel) for a live album of uproariously driven, skronky free jazz.

An album of improvised electronics from frequent collaborators Paul Dunmall on a Yamaha WX11 electronic wind instrument, and Philip Gibbs performing on electric guitar, in 9-parts exploring the unusual tonalities in both expansive and highly technical approaches.

A stunning example of collective free improvisation from the quartet of frequent collaborators and superb improvisers, Paul Dunmall on tenor & soprano sax, Liam Noble on piano, Mark Sanders on drums, and John Edwards on bass, recording in the studio in Birmingham.

The 15th album from the UK based, saxophone heavy Remote Viewers led by David Petts, bridging compositions and improvisation with a rock sensibility, in a sextet that includes improv heavies Mark Sanders on drums and John Edwards on bass.

Performing together since 2014, the free improvising trio of Yoni Silver on bass clarinet, Mark Sanders on drums, and Tom Wheatley on double bass are captured live at the Hundred Years Gallery in London, in 2015 for a dark and spacious journey in two large improvisations.

1995 recordings of the superb saxophone trio of Evan Paker on tenor & soprano, Daunik Lazro on alto & baritone, and Joe McPhee on alto & soprano, plus alto clarinet and pocket trumpet, a group that went undocumented until this live concert tape at Willisau was discovered.

Saxophonist Paul Dunmall's quintet with Hamid Drake, Dave Kane, Steve Tromans, and Percy Pusgove, bridge traditional with chamber jazz and world music, including a work for bagpipes and frame drum, in a monumental suite of improvisational possibilities.

Superlative large group jazz from UK pianist/composer Keith Tippett, presenting a series of lyrical and accessible compositions inspired by themes from Irish folk music, in a new Octet with alumni of the Royal Academy of Music's jazz programme and long-time Tippett collaborators.

The 2nd release in a new series of small groups drawn from members of the Discus Music family, where the group meets, writes, rehearses and records in one single session, here developing ten compositions from all four players edited into a continuous sequence of structure and improvisation, embracing melody, texture and pure abstraction.

London's Cafe Oto organized a reunion of String Thing, guitarist Ian Brighton's project with violinist Phillip Wachsmann, bassist Marcio Mattos, & Trevor Taylor on percussion and electronics, adding guitarist John Russell and saxophonist Evan Parker, here capturing an impressive night of improv, and Brighton's first public appearance in nearly 40 years.

The stellar quartet of Paul Dunmall on tenor and soprano saxophone, John Edwards on bass, Liam Noble on piano, and Mark Sanders on drums performing 2 extended improvisations balancing energetic playing with contemplative conversation, captured live at the Vortex, in London, England, in 2016.

A strong and enthralling set of dialogs captured live from the working duo of pianist Stephen Grew and saxophonist Trevor Watts on alto & soprano, intricate exchanges of great energy but also great compassion and introspection, a well-rounded set of adventurous exchanges that highlight the incredible skills of both players.

A new trio at the time, TIN is trumpeter Axel Dorner, bassist Dominic Lash, and drummer/percussionist Roger Turner, captured live in three locations during their 2015 UK tour, presenting masterful avant improvisations of sound-oriented work using an immense technical vocabulary to creative inventive and captivating dialog.

The debut release of the UK improvising rock group Orchestra Of The Upper Atmosphere, co-led by Martin Archer & Chris Bywater, in a double CD blending kosmische musik, space rock, and contemporary classical, an improbable meeting between Ligeti, Klaus Schulze, & Quarkspace, supplemented at times by a string quartet, a sax quintet, and a 25-piece mixed choir.

The improvising rock group Orchestra Of The Upper Atmosphere, led by Martin Archer, Chris Bywater, and Steve Dinsdale, in their 3rd album of innovative improvisation, haunting hypnotic grooves and blasts of sheer exuberance, with the band augmented by strings and trombone to give them a larger and more intense sound.

Three extended improvisations documenting the first meeting of an exciting and unexpected electro-acoustic quartet with a unique sound and instrumentation.

The Rova Saxophone Quartet performing compositions by Lindsay Cooper, Fred Frith, Barry Guy, and Larry Ochs, live in the studio in 1996.

Minimal improvisation using a meditative set of instruments including stone flute, small stones, and a "silent toy", from David Toop recording with Akio Suzuki on a rare trip to the UK.

Lokomotive's "Labyrinths" with bassist Baretto at the top of his game in playing and scoring this driving and unorthodox set of pieces, performed with two of Portugal's most in-demand players.