If you want to know what Elvis' fur lampshade looks like, you can go to Graceland, but if you want to know what Elvis was really like, you have to read Peter Guralnick's classic two-volume biography of the King. We've invited Guralnick, the author of a number of books about American music, to play a game called "Heyyyyy, sexy ladies!" (That, of course, is a line from Gangnam Style by South Korean singer Psy.) Since Guralnick is a expert in American music, we'll ask him three questions about K-pop, the slickly produced videos and songs from Korea that are taking the world by storm.

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