Listen to Boardwalk Empire Theme (Straight Up & Down) online. Boardwalk Empire Theme (Straight Up & Down) is an English language song and is sung by Soundmachine. Boardwalk Empire Theme (Straight Up & Down), from the album Ultimate Backing Tracks: Tv Hits, was released in the year 2013. The duration of the song is 1:34. Download English songs online from JioSaavn.