Together, they have written over two hundred songs for numerous recording artists, films, stage musicals and television programs.
Among their first successes was "Copacabana (At the Copa)" which became Sussman's first gold record as well as a Grammy Award-winning, international hit.
The show ran for two years at the Prince of Wales Theatre on London's West End before extensive tours of Britain and the United States.
[5] Also for the stage, he co-authored with Feldman the song scores for Ted Tally’s Coming Attractions—which starred Christine Baranski, Jonathan Hadary and Griffin Dunne—and Wendy Wasserstein’s first musical, Miami—which starred Phyllis Newman, Marcia Lewis, Fisher Stevens, and Jane Krakowski.
[6] It made its New York debut, in a production directed by Warren Carlyle, at the National Yiddish Theatre Folksbiene in March 2022.