Varúð" (Icelandic for "Caution") is a song written and recorded by Icelandic post-rock band Sigur Rós for their sixth studio album, Valtari. It appears as the third track on the album. The song was released as the second official single from the album on August 21, 2012 on a 10" gramophone record in support of their then-current Sigur Rós World Tour.
Jón Þór Birgisson - vocals, guitar
Georg Hólm - bass
Kjartan Sveinsson - keyboard, piano
Orri Páll Dýrason - drums