Robert Del Naja of Massive Attack Stephane de Sakutin/AFP hide caption

itoggle caption Stephane de Sakutin/AFP
Samuel Kirszenbaum

Radiohead shocked the music industry by letting fans pay the price they wanted to download In Rainbows. John Shearer/Getty Images hide caption

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One of the earliest examples of music blogs' influence was the success of Arcade Fire in 2004. Paul Bergen/Redferns/Getty Images hide caption

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Sting. Tony Molina/Deutsche Grammophon hide caption

itoggle caption Tony Molina/Deutsche Grammophon