Sigur Rós (English pronunciation: /ˈsɪɡər ˈrɒs/, Icelandic: [ˈsɪːɣʏr ˈrouːs]( listen)) is an Icelandic post-rock band with melodic, classical, and minimalist elements. The band is known for its ethereal sound and lead singer Jónsi Birgisson's falsetto voice.