Down and Dirty, known initially simply as "Hemusic", is the first single released by Hemu (t∣b∣c). It was released as "Hemusic" several months before Face the Wrath was released, and was paid very little attention to until the Music War began, making the song rapidly increase in popularity.
Down & Dirty is an instrumental with a chord sequence similar to that of the blues song "Crossroads". It features two verses, a bridge, and an outro.
The song can be listened to here, along with the rest of the album, or by itself below: