Brian Johnson (L) and Angus Young of AC/DC in 2000. Johnson's first album with the group, 1980's Back In Black, is one of the best-selling albums of all time, despite never reaching No. 1 on the Billboard album chart. Michele Limina/AFP/Getty Images hide caption

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Standing before a crowd 250,000 strong, Mick Jagger opened The Rolling Stones' 1969 concert at London's Hyde Park by reading a Percy Bysshe Shelley poem in tribute to late guitarist Brian Jones. Chris Walter/WireImage hide caption

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In 2012, Mark Lanegan released the album Blues Funeral. Black Pudding, an album-length collaboration with guitarist and singer Duke Garwood, will come out in May. Sam Holden/Courtesy of the artist hide caption

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Musician Jace Clayton, who also performs under the name DJ /rupture, says he fell in love with the work of little-known composer Julius Eastman. Rocio Rodriguez Salceda/Courtesy of the artist hide caption

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A still from the video for E-40's 1993 song "Practice Looking Hard," in which rappers like The Coup's Boots Riley (second from right) and Tupac (not pictured) also appeared. Couresy of Zomba Recording hide caption

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