19 April 2026

Julia Brüssel & Hannah Marshall

Julia Brüssel is a London-based violinist, composer, and home producer originally from Cologne, Germany. She began her musical journey studying classical violin at an early age but soon developed a passion for improvisation. Later, she pursued jazz violin studies in her hometown, where her exposure to a wide range of genres—from various cultures—further shaped her eclectic musical style. Today, she is known for her work across diverse music scenes, particularly in experimental music, avant-garde, electronic music, jazz, high-life, and acoustic pop.

Hannah Marshall makes music and plays the ‘cello in improvised performance, cross-arts collaboration, composition and sound design, she also enjoys making films and drawing.

Phil Wachsmann & David Leahy

Phil Wachsmann is regarded by many as an outstanding improviser of great invention, able to create new approaches within improvised music utilising acoustic and electronic sources.

Double bassist, David Leahy has been an active member of the free improvisation scene ever since his arrival from New Zealand in 1998. He is also an improvising dancer and works at Trinity Laban as a lecturer to both music and dance students. He is particularly interested in spatialized performance practices and has explored and performed alternative approaches to performance with a wide array of improvisers and with larger groups such as; LIO, Oxford Improvisers, the Free Range Orchestra (Canterbury), the Wuppertal improvisers, and Orquesta Foco (Madrid).

Roger Redgate & Kate Ryder

Roger Redgate is a composer, conductor and improviser. He graduated at the Royal College of Music, where he won prizes for composition, violin performance, harmony and counterpoint, studying composition with Edwin Roxburgh and electronic music with Lawrence Casserley.

Pianist and improviser Kate Ryder performs inside, outside (and sometimes under) the piano and on unusual keyboards both great and small. She specialises in prepared piano and extended techniques, collaborating with composers, commissioning new repertoire, performing, recording and giving workshops on these unique instruments. She is a lecturer in performance and composition at Middlesex university.