Twoism is an EP released by Boards of Canada on their own Music70 record label in 1995. It was a self-financed cassette and record distributed privately. Major public releases would not happen until 1996's Hi Scores EP on Skam Records. This album was, however, the work which got them noticed by Skam Records. In 2002, this EP was reissued on vinyl and CD by Warp Records.There are differences between "Sixtyniner" on this EP and other releases.