Kristian Bush knows an outside song is the right one to record when even he thinks it sounds like he wrote it. That's what these two songs have in common - Kristian didn't write either of them.

Episode three pairs new "52" song "World Ain’t As Bad (As You Think)," written by Luke Dick, Ben Hayslip and Chase McGill with Sugarland/Taylor Swift duet "Babe," which Taylor wrote with Train's Patrick Monahan.

Luke Dick is one of Kristian's favorite songwriters, and who doesn't love working with Taylor Swift?

This week, hear the fun, inside stories on both!