She began performing when she was five years old. She sang with Dick Curless and Buck Owens when she was a young girl. Chamberlain sang throughout high school during the 1970s and soon after moved to the Bangor, Maine area where she sang lead vocals for several popular bands. She toured with Noel Paul Stookey and the Bodyworks Band. In 1980 Chamberlain moved to Southern California and became the worship leader at the Malibu Christian Fellowship.