Tone Deafness and the Brain

Don't beat yourself up about those dreadful karaoke outings and botched choir solos. If you're tone deaf, your brain might have faulty wiring. Today: the author of a new study explains how tone deafness is linked with nerve fibers inside your head. Later: the synth-pop outfit Chairlift turned heads when one of its songs appeared in an iPod Nano commercial. They join us to perform live in our studio.