After 22 years of marriage, The Bangles’ Vicki Peterson and John Cowsill make sweet music

After 22 years of marriage, The Bangles’ Vicki Peterson and John Cowsill make sweet music

When Vicki Peterson and John Cowsill married in 2003, you might be forgiven for thinking that a song, an album or a show might follow. After all, Peterson cofounded the Bangles in 1981 with her sister Debbi Peterson, Susanna Hoffs, and bass player Annette Zilinskas (who would be replaced by Michael Steele). And from the mid-’60s, Cowsill was a member of the Cowsills with siblings Bill, Bob, Barry, and Susan Cowsill, as well as their mother Barba…