"Boy meets girl where the beat goes on, stitched up tight, can't shake free, love is the drug, got a hook on me." A contemporary of the Beatles by way Liverpool ensembles such as The Big Three, which were managed by Brian Epstein on the recommendation of John Lennon, and The Merseybeats, the late John Gustafson was among rock's most versatile and in-demand bassists. He excelled at plying inventive passages as evidenced in his work with the jazz-fusion incarnations of the Ian Gillan Band. Mr. Gustafson was a groove master for Roxy Music on such seminal sides as Stranded (1973), Country Life (1974) and Siren (1975, including the ensemble's signature composition "Love is the Drug." An accomplished singer, John was the voice of Simon Zealotes on the original Jesus Christ Superstar (1970) and rendered the vocals to “Watch Out for the Bat Now” for Roger Glover’s rock opera “The Butterfly Ball and the Grasshopper’s Feast” (1974). Gustafson also distinguished himself on scores of record dates with Kevin Ayers, Ian Hunter, Rick Wakeman, Yvonne Elliman, Gordon Giltrap, Phil Manzanera, Steve Hackett, Shawn Phillips, to cite a few .