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  ===Music===
  The Icelandic post-rock band Sigur Rós appears in the second episode, as a group of musicians serenading the royal couple at their wedding reception with "The Rains of Castamere." This continues the series's tradition of employing noted indie bands, begun in season 2 with The National and continued in season 3 with The Hold Steady.
  The soundtrack for the season was released digitally on June 10, 2014, and on CD on July 1, 2014.