We Do It for Fun, Pt. 4 / What's Happenin (feat. Nation) - Single is and English album released in 2009. There are a total of 2 songs in We Do It for Fun, Pt. 4 / What's Happenin (feat. Nation) - Single. The songs were composed by Tha Joker, a talented musician. Listen to all of We Do It for Fun, Pt. 4 / What's Happenin (feat. Nation) - Single online on JioSaavn.