Bob Crewe, the songwriter and producer who was to all intents and purposes the unseen fifth member of the Four Seasons, co-writing many of their greatest hits, including "Sherry," "Big Girls Don't Cry," "Walk Like a Man" and "Rag Doll," died on Sept. 11. He was 83.
SOURCE: Playbill at 03:40PM on September 12, 2014