Last night, Funkmaster Flex debuted "Theraflu," a brand-new out-of-nowhere solo track from Kanye West. The track features DJ Khaled, and beyond his pitched-up bellowing and Flex's tags and explosions, there's a lot standing in the way of actually hearing the song. But it's a seriously strong performance, all hard snarls over a bleepy late-'90s-style beat. And it also finds Kanye ...