Tego Calderon, one of Reggaeton's top artists and producers, performs for fans in New York City. Scott Gries/Getty Images hide caption

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A venerated heavy-metal singer, Ronnie James Dio was a voice of triumph in the pits of bitterness and depravity. Robert Cianflone/Getty Images Entertainnment hide caption

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Hear Robert Siegel And Melissa Block Remember Dio
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Ozzy Osbourne performs at the 25th-anniversary Rock and Roll Hall of Fame Concert at Madison Square Garden. Stephen Lovekin/Getty Images Entertainment hide caption

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Ozzy Osbourne: The Prince Of Darkness Gets A Book
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