Listen to Gym Class Heroes - Ass Back Home (Vocal Melody Version) online. Gym Class Heroes - Ass Back Home (Vocal Melody Version) is an English language song and is sung by Ultimate Tribute Stars. Gym Class Heroes - Ass Back Home (Vocal Melody Version), from the album The Best of All-Star Karaoke: 50 Party Songs, was released in the year 2012. The duration of the song is 3:40. Download English songs online from JioSaavn.