Listen to West Side Story: Prologue online. West Side Story: Prologue is an English language song and is sung by Johnny Green Orchestra and Johnny Green. West Side Story: Prologue, from the album Bernstein: West Side Story, the Film vs. the Broadway Production (Compare 2 Versions), was released in the year 2014. The duration of the song is 5:37. Download English songs online from JioSaavn.