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Paying $400 to see the Rolling Stones or $700 for Barbara Streisand might sound excessive as it is. But you'll fork over even more when you go to eBay or a scalper. Today, a look at how Ticketmaster's new online auction service is changing how we buy concert tickets. With us to explain how the service will affect music fans is Alan Krueger, professor of economics at Princeton University and co-author of the paper "Rockonomics: The Economics of Popular Music." Also: Dr. Dog, the psychedelic rock band from Philadelphia, performs live in studio. Finally, today is the 100th birthday of the late Russian composer Dmitri Shostakovich. In honor, we take a close look at his Symphony No. 13 "Babi Yar."