Mix Tapes as the Ultimate Love Letters

In the age of MP3s and burned CDs, the mixtape is a lost art form. Yet for people of a certain generation, cassette mix tapes were the ultimate audio valentines. They could both spark and end a relationship. On today's show, a look at a new web site that lets you revisit those old mix tapes. Also: Rosanne Cash and Mark O'Connor join us to talk about their new collaboration of original songs and instrumentals inspired by the music of Cash's beloved father, Johnny Cash.