Fans are forever fascinated to discover new details of the stories behind their favorite performers, and to feed that fire, a couple of new books focus on two very different women — Nina Simone and Lita Ford — who have made music that has inspired others. A new history goes inside the myth, debauchery and creative fire of Woodstock, New York, one of rock's legendary towns. And if you're feeling overwhelmed by the seemingly infinite amount of music available at your fingertips, music critic Ben Ratliff tackles what it means to listen to music in the digital era.