A trailer for the book "Don't Stop Believin': How Karaoke Conquered the World and Changed My Life," out now from Da Capo Books. Among the topics discussed: Karaoke, "American Idol," Don Henley, "High School Musical," avant-garde puppetry, Backstreet Boys, public-access TV, and New York City. For more information—and a free excerpt—go to www.brianraftery.com.