Marked by beautiful harmonies, tunes that fuse pop hooks with roots rock accents, and a playful sense of humor that doesn't interfere with the (sometimes) serious intent of the music, the Psycho Sisters is a collaboration between two acclaimed and accomplished artists, Susan Cowsill and Vicki Peterson. Cowsill first rose to fame as the youngest member of the Cowsills, the family pop/rock band who enjoyed a run of hit singles in the '60s, while Peterson enjoyed multi-platinum success in the '80s as a member of the Bangles. In the late '80s, the two first met through mutual frie...