English multi-instrumentalist, composer, and improviser Fred Frith renown as a founding member of the avant-rock group Henry Cow in the 1970s. Known for his innovative guitar work, he has released a significant body of solo work, and collaborated with numerous artists including Brian Eno and John Zorn. Frith has also composed for leading classical ensembles, as well as for film, dance, and theatre. He taught composition at Mills College and other institutions until his retirement from teaching. Frith is the subject of the acclaimed 1990 documentary film Step Across the Border.