Simon F., also known as Simon Fell, is a British musician and composer known for his distinctive approach to free improvisation and avant-garde jazz. His work, which spans over three decades, showcases a fusion of electronic music, rock and jazz, and is marked by his innovative use of double bass. Significant albums include "Max", released in 1989, and "Composition No. 30", released in 1998. Fell's work has been influential in the experimental music scene, contributing to the evolution of genre boundaries.