<P> In the TV series, the song was first heard when Tyrion Lannister whistled a small part in the first episode of the second season . An instrumental version can be heard during Tyrion's speech right after King Joffrey abandons the battlefield in the same episode . The season 2 soundtrack contains a rendition of the song "The Rains of Castamere" by the indie rock band The National, sung by their vocalist Matt Berninger . On the published track list, the title is spelled "The Rains of Castomere" rather than "Castamere" as in the novels . The spelling is corrected on the printed listing on the liner notes that come with the disc . It was played over the end credits of the ninth episode, "Blackwater". </P> <P> In season 3, an instrumental version of "The Rains of Castamere" plays over the end credits in episode 7, "The Bear and the Maiden Fair". In episode 9 of season 3, also titled "The Rains of Castamere", an instrumental version of the song is played by the musicians at the Red Wedding . </P> <P> In episode 2 of season 4 of Game of Thrones ("The Lion and the Rose"), Icelandic band Sigur Rós makes a cameo appearance as musicians performing their rendition of "The Rains of Castamere" at the wedding of Joffrey and Margaery . Joffrey stops them midway by throwing coins at them . Their version also plays over the closing credits of this episode . </P> <P> An orchestral rendition of the song appears as House Lannister's theme throughout seasons 3 and 4, available in the soundtrack as "A Lannister Always Pays His Debts ." </P>

Who sings rains of castamere season 4 episode 2
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