Though he is perhaps best known as Kanye West's wheels-of-steel man, Montreal-based A-Trak has been releasing his own good-times mix albums for a few years. His many, many appearances around WMC come in support of his new CD, Infinity +1, on which he chops up tunes from all of your favorite blog-buzz beneficiaries, including MSTRKRFT, Little Boots, and Kid Sister (the last of whom A-Trak might or might not be dating—who can keep up?).