Haywards music career began in 1967 with the group ' The Factory ' ( with Lowell George ), followed in 1968, the Fraternity of Man, with whom he recorded two albums. In 1969, he again left the band to start with Lowell George, Roy Estrada and Bill Payne Little Feat. Hayward played up to Little Feats resolution 1979 on all the band's albums and worked casually as a studio musician, including for Joan Armatrading, Kim Carnes, John Cale, Ry Cooder, James Cotton, The Doobie Brothers, Peter Frampton, Arlo Guthrie, Robert Palmer, Van Dyke Parks, Carly Simon, Stephen Stills, and Barbra Streisand.
Also in the 1980s, he continued his work as a session musician on, now for artists such as Nils Lofgren, Robert Plant, Tom Waits and Warren Zevon. In 1988 Little Feat then a reunion at the Hayward also was there again. In the 1990s, followed by guest appearances on productions of Eric Clapton, Shawn Colvin, Buddy Guy, Johnny Hallyday, Howard Jones, Bob Seger and Taj Mahal. Even in the 21st century remained a Hayward -demand session drummer. He died at the age of 64 of complications from liver cancer.