311 is an American rock band from Omaha, Nebraska, known for their blend of alternative rock, reggae rock, and rap rock influences. Formed in 1988, the band consists of members Nick Hexum, Doug 'SA' Martinez, Tim Mahoney, Aaron 'P-Nut' Wills, and Chad Sexton. The band achieved mainstream success in the mid-90s with their self-titled third album, also known as the 'Blue Album', which included the hit singles 'Down' and 'All Mixed Up'. Notable albums include 'Transistor', 'From Chaos', and 'Evolver'. They are also known for their annual 311 Day event, celebrated on March 11, which features extended live performances for fans. The band's longevity and ability to blend genres have secured their place in the history of rock music.