Listen to My Grandaddy Was a Horse Marine online. My Grandaddy Was a Horse Marine is an English language song and is sung by U.S. Drill Sergeant Field Recordings. My Grandaddy Was a Horse Marine, from the album Train Like an Olympian: 50 Cadences for a Perfect Workout, was released in the year 2012. The duration of the song is 2:22. Download English songs online from JioSaavn.