Kevin Cronin is best known as the lead vocalist and rhythm guitarist for REO Speedwagon. He first joined the group for a brief period in the early '70s and made his debut with the band on its 1972 album, R.E.O./T.W.O. Cronin parted ways with REO Speedwagon soon after, but returned in time for the band's 1976 album, R.E.O. As the group's frontman during its heyday, Cronin has sung some of REO Speedwagon's greatest hits, including "Keep on Loving You" and "Can't Fight This Feeling." Cronin also appeared on a celebrity edition of the television show Don't Forget the Lyrics, raising money for the charity MusiCares. ~ Katherine Fulton