Δ (pronounced as Alt-J) is a British indie rock band formed in 2007. Their debut album An Awesome Wave was released in mid-2012 and received unusually positive feedback, winning the prestigious Mercury Prize. The unique blend of rock structures and electronic beats combined with Joe Newman's outstanding voice captured the hearts of fans around the world.
The band went on to release more albums, This Is All Yours (2014) and Relaxer (2017), to equally universal acclaim. In 2018, the album Reduxer was released, which included remakes of previously released songs and features with other artists. 2022 was followed by the album Hard Drive Gold.