Icelandic musician, singer, songwriter, and multi-instrumentalist, renowned as the lead vocalist and guitarist of the post-rock band Sigur Rós, celebrated for his otherworldly falsetto vocals, use of a cello bow on guitar, and creation of ethereal soundscapes.Born in Reykjavík, Iceland. Co-founded Sigur Rós in 1994. Achieved international acclaim with albums like 'Ágætis byrjun' (1999) and '( )' (2002)....