Look behind the music of Frankie Valli and the Four Seasons to discover the secret of a 40-year friendship as the foursome work their way from the streets of New Jersey to the heights of stardom. Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by joining TCG, which entitles you to copies of our quarterly print magazine and helps support a long legacy of quality nonprofit arts journalism.