Alt-J is a British indie rock band formed in 2007, known for their eclectic and experimental sound that blends elements of folk, electronic, and rock music. The group consists of Joe Newman (lead vocals and guitar), Gus Unger-Hamilton (keyboards and backing vocals), and Thom Green (drums). Their music often features intricate melodies, ambient textures, and poetic lyrics, with a unique approach to song structure. Alt-J's debut album An Awesome Wave (2012) earned critical acclaim and won the Mercury Prize, solidifying their position in the indie music scene. The band's distinct style has drawn comparisons to artists like Radiohead and The xx, blending alternative rock with electronic elements to create a sound that is both atmospheric and dynamic.

Alt-J's subsequent albums, This Is All Yours (2014) and Relaxer (2017), further refined their experimental approach, experimenting with genres such as jazz, electronic, and world music. The band continued to experiment with complex rhythms and layered instrumentation, maintaining their unique sound while evolving their musical identity. Known for their innovative use of technology and sound design, Alt-J's live performances are marked by their immersive atmosphere and dynamic visual presentations. Their music resonates with listeners through its combination of thought-provoking lyrics, complex arrangements, and an ability to evoke deep emotional responses, making them one of the most intriguing and influential bands of their generation.