She wrote or co-wrote, Be My Baby, Christmas (Baby Please Come Home), Da Doo Ron Ron, Leader of the Pack, and River Deep, Mountain High, among many others. She discovered Neil Diamond and sang backing vocals on several of Diamond's hit songs.
Before the end of 1963, Greenwich who married Jeff Barry had scored hits with songs such as Baby, I Love You by The Ronettes and Then He Kissed Me. Also Hanky Panky, which became a hit for Tommy James & the Shondells, and, Do Wah Diddy Diddy taken to number one by Manfred Mann.
Greenwich with Barry also penned songs for Connie Francis, Lesley Gore. The Dixie Cups, recorded Chapel Of Love, written with Phil Spector and originally recorded by The Ronettes. Neil Diamond's Cherry Cherry and Kentucky Woman were both produced by Greenwich who sang background on many tracks.
Da Doo Ron Ron had been recorded by The Quests and Hanky Panky by Rita Chao, our own Singapore artistes.
Reference: (1) Wikipedia (2) Ellie Greenwich Website.