Wilson Phillips first appeared in 1990 flaunting a harmony-rich sound that helped send three singles from their first album -- "Hold On," "Release Me," and "You're in Love" -- to the top of the Billboard charts. Carnie Wilson, Wendy Wilson, and Chynna Phillips comprised the vocal trio, whose sudden success was matched by an equally impressive pedigree. The two Wilson sisters had grown up in California with their father, Beach Boy bandleader Brian Wilson, and often made appearances on his albums throughout their childhood. Chynna's parents, meanwhile, were John and Michelle Phi...