
Borah Bergman was an American free jazz pianist.

Marc Copland is an American jazz pianist and composer.

Hugh Seymour Davies was a musicologist, composer, and inventor of experimental musical instruments.

Hamid Drake is an American jazz drummer and percussionist.

Paul Dunmall is a British jazz musician who plays tenor and soprano saxophone, as well as the baritone and the more exotic saxello and the Northumbrian smallpipes. He has played with Keith Tippett and Barry Guy.

Pierre Favre is a Swiss jazz drummer and percussionist born in Le Locle, Switzerland.

Tim Garland is a British jazz saxophonist, composer, and bandleader. His compositions draw from modern jazz and classical concert music.

Frode Gjerstad is a Norwegian jazz musician with alto saxophone as principal instrument, but he also plays other saxophones, clarinet, and flute. He has collaborated with Paal Nilssen-Love, Borah Bergman, Peter Brötzmann, Evan Parker, Derek Bailey, Bjørn Kjellemyr, Terje Isungset, William Parker, Sabir Mateen, John Stevens, Johnny Dyani, Kent Carter, and since 1979 has contributed to more than 50 recordings.

Alexander Hawkins is a British jazz pianist and composer. Three of the main groups he has led or co-led are the Alexander Hawkins Ensemble; the Convergence Quartet ; and the Hammond organ-based Decoy.
Jasper van 't Hof is a Dutch jazz pianist and keyboard player.
Nikki Anne Iles is a British jazz composer, pianist and educator.

Terje Isungset is a Norwegian drummer. From his background in jazz and traditional Scandinavian music, he has designed musical instruments from non-traditional materials, including ice.

John Law is a British jazz pianist and composer, born in London to British and Austrian parents.

Raymond MacDonald is a saxophonist, composer and psychologist with an extensive career in music, cross-disciplinary arts and academia. Much of his work explores the boundaries and ambiguities between what is conventionally seen as improvisation and composition. As a saxophonist and composer, MacDonald has released over 60 CDs, toured and broadcast worldwide and has composed music for film, television, theatre, radio and art installations. He is currently Professor of Music Psychology and Improvisation at Edinburgh University and his recent book, The Art of Becoming: How Group Improvisation Works explores the nature of improvisation. MacDonald has also co-edited five texts and published over 80 academic papers and book chapters.

John Mayer was an Indian composer known primarily for his fusions of jazz with Indian music in the British-based group Indo-Jazz Fusions with the Jamaican-born saxophonist Joe Harriott.

Liam Noble is a British jazz pianist, composer, arranger and educator.

Red Square is an English free improvising, experimental rock band originally from Southend-on-Sea, Essex, England, that formed in 1974 and broke up in 1978, before reforming again in 2008 as a result of renewed interest in their music. The line up has remained unchanged, consisting of Ian Staples, Jon Seagroatt and Roger Telford.

John Howard Riley is an English pianist and composer, who worked in jazz and experimental music idioms.

Martin Speake is a British saxophonist. He teaches at Trinity Laban Conservatoire of Music and Dance in Greenwich, at the Royal Academy of Music and at the Guildhall School of Music and Drama. Speake has recorded eighteen albums as leader, including Change Of Heart with Paul Motian, Bobo Stenson and Mick Hutton.

Fredy Studer is a Swiss percussionist in jazz and 20th-century classical music.

John Douglas Surman is an English jazz saxophone, bass clarinet, and synthesizer player, and composer of free jazz and modal jazz, often using themes from folk music. He has composed and performed music for dance performances and film soundtracks.

Rowland Sutherland is a British flautist, who studied flute at the Guildhall School of Music and Drama with Kathryn Lukas, Philippa Davies and Peter Lloyd and participated in master classes given by the late Geoffrey Gilbert. He studied jazz with the late pianist Lionel Grigson in the mid-1980s. Sutherland performs in new music ensembles, jazz groups, symphony orchestras, various non-Western groups, pop outfits and as a soloist. Many of Sutherland's solo contemporary flute performances have been broadcast on BBC Radio 3. He has also composed and arranged music for groups, ensembles and for the BBC.

John Taylor was a British jazz pianist, born in Manchester, England, who occasionally performed on the organ and the synthesizer.

Federico Ughi is an Italian drummer and composer. He works primarily in the fields of free improvisation and jazz.

Trevor Charles Watts is an English jazz and free-improvising alto and soprano saxophonist.

Stian Westerhus is a Norwegian guitarist known for his experimental style, explored with keyboardist Øystein Moen in the bands Jaga Jazzist and Puma and with Sidsel Endresen, Nils Petter Molvær, Arve Henriksen, Jan Bang, and Ingar Zach.

Michael Zerang is an American jazz percussionist and drummer.