時の流れに
In 1970, Levin moved to New York City, joining a band called Aha, the Attack of the Green Slime Beast, with Don Preston of The Mothers of Invention. Soon after, he began working as a session musician, and through the 1970s he played bass on many albums, including Buddy Rich's big band jazz album, "The Roar of '74", and Paul Simon's "Still Crazy After All These Years" (1975).