Sigur Ros is an Icelandic post-rock band formed in Reykjavik in 1994 by vocalist and guitarist Jon Thor "Jonsi" Birgisson, bassist Georg Holm and drummer Agust AEvar Gunnarsson. The name, usually translated as "Victory Rose," was taken from the name of Jonsi's younger sister. From the beginning, the group developed a sound that combined rock instrumentation with elements of ambient music, minimalism, classical composition and Icelandic folk traditions.
The band's debut album, Von, appeared in 1997 on the Icelandic label Bad Taste. It was an experimental and relatively austere introduction, built from long forms, atmospheric guitar and Jonsi's distinctive high-register vocals. Although the album was not an immediate commercial success, it established the band's basic musical identity and was later recognized as an important first step in their development.
Keyboard player and multi-instrumentalist Kjartan Sveinsson joined before the recording of Agaetis byrjun, released in 1999. The album became the group's international breakthrough. Its carefully layered arrangements, soaring melodies and patient dynamics attracted attention far beyond Iceland, while tracks such as "Svefn-G-Englar" and "Staralfur" helped define the band's reputation for creating music that feels expansive and cinematic. The album's success also introduced Sigur Ros to a wider alternative and post-rock audience.
The follow-up, (), released in 2002, pushed the group's unconventional approach even further. Its eight tracks were presented without conventional titles, and much of the singing used vonlenska, or "Hopelandic," a vocal language consisting of invented sounds rather than fixed lyrics. This allowed Jonsi's voice to function as another melodic instrument and made the album unusually open to personal interpretation. The record's stark presentation and gradual, dramatic crescendos became central to the band's artistic image.
Sigur Ros reached a broader audience with Takk... in 2005. Songs such as "Hoppipolla" and "Glosoli" retained the band's emotional scale but introduced brighter melodies and more accessible structures. The album became a commercial high point without abandoning the group's interest in orchestral textures and unusual production. Its music was frequently used in film, television and advertising, further extending the band's cultural reach.
The group expanded its visual and cinematic presence through Heima, a 2007 concert film documenting performances in Iceland, and Hvarf/Heim, which combined new studio recordings with intimate acoustic performances. In 2008, Med sud i eyrum vid spilum endalaust offered a more immediate and comparatively organic sound, including the energetic single "Gobbledigook."
After Valtari in 2012, Sveinsson left the band, and Sigur Ros continued as a trio for Kveikur in 2013, an album with a darker and more forceful character. Drummer Orri Pall Dyrason departed in 2018. Sveinsson returned in 2022, and the reunited trio released ATTA in 2023, their first studio album in a decade. It emphasized piano, strings, restrained percussion and a more intimate emotional atmosphere.
Beyond its studio albums, Sigur Ros has created music for documentaries, dance projects and multimedia performances. The band's orchestral concerts, including tours with local ensembles, have reimagined material from across its catalog. Through its combination of visual ambition, unusual vocal techniques and slow-building instrumental drama, Sigur Ros has remained one of Iceland's most influential and internationally recognized bands.