Question: What nationality is the performer of song Sandy (Dion Dimucci Song)?
Sentence (from "Dion DiMucci"): Dion Francis DiMucci (born July 18, 1939), better known mononymously as Dion, is an American singer and songwriter whose work has incorporated elements of doo-wop, rock and R&B styles—and, most recently, straight blues.
Relevant evidence: Yes