Listen to Theme from ''once Upon a Time in America'' (Official Bar Version) online. Theme from ''once Upon a Time in America'' (Official Bar Version) is an English language song and is sung by Playin' Buzzed. Theme from ''once Upon a Time in America'' (Official Bar Version), from the album Official Bar Music: Soundtrack Hits, was released in the year 2012. The duration of the song is 5:28. Download English songs online from JioSaavn.