John Cowsill | The Magnificent Others with Billy Corgan

Why The Cowsills Broke Up | John Cowsill & Billy Corgan

John Cowsill - I Can Hear Music - The Beach Boys Live

Vicki Peterson (The Bangles) & John Cowsill (The Cowsills) on Code Zero Radio's Fox Cities CORE

Vicki Peterson & John Cowsill - Manic Monday (Live at Round Lake Farms)

Vicki Peterson, John Cowsill - A Thousand Times (Official Video)

John Cowsill Kicks "Crying" Ass