What is the song played during Sasuke's and Itachi's final battle? What is the Naruto Shippuden song played during Sasuke's and Itachi's final battle (episode 135 of Naruto Shippuden)? The song starts playing here.
Bingo. The name of this song is Hidan. You can check it out here.

Though it might sound a bit higher in pitch to the link you provided, the tune seems very pretty much alike, maybe it was modified because of, you know, to avoid copyright infringement.