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

itoggle caption Stephane de Sakutin/AFP

Delbert McClinton. courtesy of the artist hide caption

itoggle caption courtesy of the artist
courtesy of Def Jam
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

itoggle caption John Shearer/Getty Images
Kyle Johnson

Artwork from Baroness' Blue Record. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist
courtesy of the artist

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