The Cowsills In Books

The Accidental Evolution of Rock'N'Roll: A Misguided Tour Through Popular Music
by Chuck Eddy
DaCapo Press April 1997

on Page 80:

"... a humongous belt buckle with his name on it, and a gold Star of David pendant. He looks scary. The Cowsills' eclectically composed hit theme from the 1969 shlock musical "Hair" has them letting their tangles, mangles, and spaghetti grow so ..."