In Odd Letterman Appearance, Joaquin Phoenix Says He's Taking Up Rap

In a bizarre and downright unusual appearance on the "Late Show with David Letterman," Joaquin Phoenix confirmed the news that he was taking a break from acting to pursue his career in music. Not country music, like the Johnny Cash tunes Phoenix crooned in "Walk the Line," but hip-hop.

Throughout his interview with David Letterman, Joaquin Phoenix remained detached; Idol Chatter perhaps characterized his appearance best as having "a hard time walking the line between coherent answers and having an idiot savant-like presence." You can check out Joaquin Phoenix on the "Late Show with David Letterman" above.