Claim: Trevor Lawrence played tenor saxophone with the Butterfield Blues Band at the Woodstock Music Festival and on records; then he played tenor sax, soprano sax, and baritone sax solos on Marvin Gaye's Trouble Man album.
Evidence: Trevor Lawrence is an American saxophonist (baritone and tenor saxes), composer, arranger and record producer. As a session musician, Lawrence has performed both as a studio musician and as a touring musician in the horn sections for groups including the Rolling Stones —with Steve Madaio and Bobby Keys— and with the Paul Butterfield Blues Band —along with Madaio, Dave Sanborn and Gene Dinwiddie— that performed at the Woodstock music festival in 1969. As an arranger, Lawrence collaborated on Etta James' 1962 eponymous album and on the Pointer Sisters' 1982 album, which he also co-produced. 1972: Trouble Man - Marvin Gaye