There are at least 2 bands with the name Dual Core 1) A nerdcore band with members from England and US 2) A Psy Trance project from Israel 1) int eighty and c64 are... Dual Core. Actually they are just two guys. int eighty is a programmer in Cincinnati, Ohio; and c64 is a graphic designer in Greater Manchester, England. They originally met several years ago on an underground hip hop website. "His beats made me want to rap, and he quickly became one of my favorite producers," recalls eighty in regards to c64's production.