Listen to Who Let the Dogs Out (Workout Mix + 129 BPM) online. Who Let the Dogs Out (Workout Mix + 129 BPM) is an English language song and is sung by The Workout Heroes. Who Let the Dogs Out (Workout Mix + 129 BPM), from the album 100 #1 Workout Hits – Volume 2 + Bonus Tracks [Reissue], was released in the year 2011. The duration of the song is 3:38. Download English songs online from JioSaavn.