alt-J is an English indie rock band that has garnered critical acclaim and a devoted fanbase with their distinct sound and genre-defying approach. Formed in 2007, the band's members—Joe Newman, Thom Sonny Green, Gus Unger-Hamilton, and Cameron Knight—craft a unique blend of folktronica, art rock, and experimental pop. Their music is characterized by intricate harmonies, unconventional song structures, and poetic lyrics that evoke a sense of introspection and surrealism. With albums like "An Awesome Wave" and "RELAXER," alt-J has earned accolades, including the Mercury Prize. Their evolution continues to intrigue and inspire listeners, solidifying their status as an innovative force in contemporary music.