Related Information for Ernie Maresca Ernie Maresca (b August 21 1938, The Bronx, New York City), is an American songwriter, singer, and record company executive, best known for writing or co-writing some of Dion's biggest hits.He began singing and writing in a doo-wop group, the Regents, who later had a hit with "Barbara Ann". His song "No-One Knows" came to the attention of Dion DiMucci, who recorded it successfully with the Belmonts on Laurie Records, the record reaching # 19 on the pop charts in 1.. read more