alt-J: Fall Tour 2015 live in Charlotte. Left to right: Gus Unger-Hamilton, Joe Newman, Cameron Knight, Thom Sonny Green.
Alt-J (stylised as alt-J) is an English indie rock band formed in 2007 in Leeds, by Gwil Sainsbury (guitar/bass), Joe Newman (guitar/lead vocals), Thom Sonny Green (drums) and Gus Unger-Hamilton (keyboards/vocals).
The band's debut album An Awesome Wave was released in May 2012 in Europe, and in September 2012 in the United States, and won the 2012 British Mercury Prize. Gwil Sainsbury amicably departed the band in early 2014. Their second album, This Is All Yours, was released on 22 September 2014 and went straight to UK number one. As a replacement for Sainsbury, Cameron Knight became a supporting member for alt-J's live shows, playing guitar, bass and sampler. In 2017, the band released their third studio album, Relaxer, and are currently playing as a trio.
The cover art of the band's debut album An Awesome Wave shows an overhead view of the largest river delta in the world, the Ganges. alt-J were previously known as "Daljit Dhaliwal" and then "Films", but were later forced to change to "alt-J" because an American band called "The Films" already existed.
alt-J (?) were formed when Gwil Sainsbury (guitar/bass), Joe Newman (guitar/lead vocals), Gus Unger-Hamilton (keyboards/vocals) and Thom Sonny Green (drums) met at Leeds University in 2007. Unger-Hamilton (younger brother of Ferdy, head of A&R for Polydor Records) studied English, the other three Fine Art. According to Newman "I basically went to art school to start a band."
In their second year of studies, Newman showed Sainsbury a handful of his own songs and, inspired by his guitar-playing dad, the pair began recording on GarageBand in their hall rooms with Sainsbury acting as producer. The band's unusual sound stems from the fact that due to living in student halls, where noise had to be kept to a minimum, they were unable to use bass guitars or bass drums. Thom Sonny Green suffers from Alport syndrome, a rare genetic disease which causes hearing and kidney failure. As a result, he is about 80 percent deaf.
After graduating, the band moved to Cambridge where they spent a number of months working on their music before signing a deal with Infectious Music in December 2011. Their self-titled 4-track demo EP, ?, was recorded with producer Charlie Andrew in London and featured the tracks "Breezeblocks", "Hand-Made", "Matilda", and "Tessellate". A 7" single containing "Bloodflood" and "Tessellate" was released by Loud and Quiet in October 2011. Their first 2012 release for Infectious Music was the triangle-shaped 10" "Matilda"/"Fitzpleasure". It was followed by "Breezeblocks" which preceded their first album.An Awesome Wave was also produced by Charlie Andrew and compiled at Iguana Studios, Brixton, where the band recorded tracks during the studio's spare time. Their debut album was released on 28 May 2012 in the UK, Europe, and Australia, and on 18 September 2012 in North America via Canvasback Music. The album received largely favourable reviews and was described as a "captivating blend of insatiable grooves and profound poignancy".
alt-J supported Wild Beasts in April 2012 and played a minor headlining tour around the United Kingdom and Ireland in October of that year. The band have featured regularly on summer festivals, including Latitude, Bestival, Reading and Leeds, T in the Park, Green Man, Pukkelpop, and Lowlands. They also did concert tour in the United States in December 2012 and performed at the Laneway Festival tour in Australia. In November 2012 the band were announced as the winners of the Mercury Prize for their album. Besides the prize-money, the band saw an increase in their profile resulting in An Awesome Wave reaching 13 in the UK album chart. The band would later describe the event as "life-changing, there was a sense of [being] imposters, that the band had somehow got this far without not being a real band, we're just guys from Leeds who muddled through it and magicked a Mercury award".
Gwil Sainsbury left alt-J as of 13 January 2014. It was announced on Twitter that he had decided to leave, but the band would continue, stating that they were to still be best friends with Gwil. In early June 2014, alt-J announced a 2014 tour to take place in North America over October and November. The 23-day tour started in Vancouver, B.C. on 14 October and ended in Washington, D.C. on 19 November. On 9 June 2014, they announced their second album This Is All Yours, that was released on 22 September 2014. This Is All Yours went straight to Number 1 on the UK's Official Albums Chart. alt-J headlined the September 2015 edition of Boston Calling Music Festival.
On March 3, 2017, alt-J began teasing their third studio album on their social media accounts with an audio clip captioned "00110011 01110111 01110111", which translates to "3ww".Stereogum reported later that day that the band's third album would be titled Relaxer and was scheduled for release on June 2, 2017. On March 6, 2017, alt-J released "3WW," which features lead singer Ellie Rowsell of Wolf Alice, as a digital single and announced dates for the Relaxer Tour in support of the album. Three weeks later, on March 29, they released "In Cold Blood," the second single from Relaxer. In anticipation of their third album, the band released an online video game, soundtracked by their single "3WW," as well as announcing in May 2017 that they would be playing a five-date UK tour at seaside venues, starting on September 4, 2017. 
On May 24, 2017, alt-J released "Adeline," the third single from Relaxer. The album was released shortly afterward, on June 2, 2017, to generally favorable reviews. "Deadcrush," the fourth single from the album, was released on July 12, and was featured as a soundtrack in the popular FIFA 18 game. Fifth single "Pleader" arrived on September 15, 2017. Several tracks from Relaxer have since been remixed by a diverse array of artists.
Relaxer was nominated for the 2017 Mercury Prize. The band previously won the prize in 2012 for their debut album An Awesome Wave.
In 2012, alt-J's debut album won the British Mercury Prize. alt-J were also nominated for three Brit Awards (British Breakthrough Act, British Album of the Year and British Group of the Year).An Awesome Wave was announced as BBC Radio 6 Music Album of the Year 2012. Three of the tracks from this album gained entry into the Australian 2012 Triple J Hottest 100, with "Something Good" at number 81, "Tessellate" at number 64, and "Breezeblocks" coming third overall. In 2013, An Awesome Wave won Album of the year at the Ivor Novello Awards. This Is All Yours received a Grammy Award nomination for Best Alternative Music Album at the 57th Grammy Awards, and for IMPALA's European Independent Album of the Year Award.