"Inní mér syngur vitleysingur" (Icelandic for "Within me a lunatic sings"[1]) is the second track on Sigur Rós' fifth album, Með suð í eyrum við spilum endalaust.

[2] A music video for "Inní mér syngur vitleysingur" was also released.

It shows the band performing at the free Náttúra (Nature) concert in Reykjavík on 28 June 2008.

[3] Vocals from this track were sampled by the experimental electronic duo Crystal Castles, in the song "Year of Silence", on their second self-titled release, Crystal Castles.

This 2000s rock song-related article is a stub.