Listen to The West (From “Back To The Future Pt. II” Original Score) online. The West (From “Back To The Future Pt. II” Original Score) is an English language song and is sung by Alan Silvestri. The West (From “Back To The Future Pt. II” Original Score), from the album Back To The Future Part II (Original Motion Picture Soundtrack / Expanded Edition), was released in the year 2015. The duration of the song is 0:57. Download English songs online from JioSaavn.