Martin HackettMartin Hackett was for many years a teacher of both Art and Music, and employed improvisation extensively in his classroom practice. He is a member of Oxford Improvisers and the Muzzix collective in Lille, France. He has played with leading practitioners in this country, and in Europe and the United States. He is particularly interested in methods for structuring improvisation, and is currently involved in developing the 50:50 project with the Blank Canvas Octet in Liverpool. His graphic scores have been used by groups playing in various improvising styles, most recently during his residency at the Indian Sonic Research Organisation in Bengaluru. He is an occasional painter and maker of photographic-based work, and is an Associate member of Magdalen Road Studios in Oxford.

Lawrence CasserleyLawrence Casserley has a long career as a composer, performer and improviser. Since taking early retirement from his post at the Royal College of Music in 1995 he has dedicated his career almost exclusively to improvised music in many forms. He is best known for his electronic sound processing, but also works with percussion voice and invented or found noisemakers. He is a great collaborator, having worked with a wide variety of musicians, as well as artists, poets and dancers. He also makes graphic scores as cues to improvisation.