Top Definition
Alt-J (also known as ∆) is an English indie rock band, formed in 2007 in Leeds, England. Their debut album An Awesome Wave was released in May 2012 in Europe2 and September 2012 in the United States and won the 2012 British Barclaycard Mercury Prize.
The indie rock band, alt j, is awsome
by ARGHHHHH!!! May 27, 2014

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