On this week’s episode, comedian, actor, director David Cross talks about Arrested Development’s Tobias Funke and Alvin and the Chipmunks, Har Mar Superstar lays down his sweet soul sounds, and the two compete in the Wits Game Show: The R & B singer vs. the Slam Poet. You decide who’s who. Plus, a Pop Song Correspondence to Lorde and learn math with Tom Waits.