Born in Los Angeles, his playing first came to prominence in the 1950s as a protégé of pianist Lennie Tristano and earned attention in the 1970s as a member of Supersax.

[4] In the 1970s, he gained renewed exposure as a member of Supersax, a large ensemble which played orchestral arrangements of Charlie Parker solos.

Marsh died of a heart attack onstage at the Los Angeles club Donte's in 1987,[1] in the middle of playing the tune "Out of Nowhere".

Marsh's discography remains somewhat scattered and elusive, as much of it was done for small labels, but more and more of his work has been issued on compact disc in recent years.

With Elek Bacsik With Chet Baker With Bill Evans With Clare Fischer With Lee Konitz With Supersax With Lennie Tristano