Joel Burleson, better known as Ki:Theory (pronounced “Key Theory”) is an American recording artist and producer who specializes in alternative rock with electronic elements ,Burleson has toured widely in Canada, Japan, Korea, and the US, including a performance at Bonnaroo Music Festival. He has done remixes for Daft Punk/Tron: Legacy, Kings of Leon, Queens of the Stone Age, Ladytron, Cypress Hill, Rob Zombie, Sasha, UNKLE, Rodrigo y Gabriela with Hans Zimmer and Brazilian Girls, amongst others.

Ki:Theory's remix for Daft Punk's "The Son Of Flynn" for Tron: Legacy was featured on the official remix album, Tron Legacy R3C0NF1GUR3D. Also, his remix for Rodrigo Y Gabriela's "Angelica" was included on the Original Motion Picture Soundtrack for Pirates of the Caribbean: On Stranger Tides