sentences:  In the early days, The Rockets paid their dues playing gigs at venues such as The Rainbow Room in Detroit, The People's Ballroom in Ann Arbor, and The Rock 'N Roll Farm in Wayne, Michigan.The band took on a new sound in 1976 when David Gilbert was brought in by new manager Gary Lazar, who also managed Detroit RCA Victor recording artist Dan Schafer, to take over vocals from Johnny Bee and Donnie Backus took over on keyboards.Gilbert had fronted several bands and was one of several lead singers that passed through the ranks of Ted Nugent and The Amboy Dukes.