Cam's tenure with Roc-A-Fella yielded only a handful of collaborative efforts with Kanye West, but "Down and Out" was a gem. Despite the dubious physiological evidence supporting their claim that models possess the "juicest" cooches, the track bounces with a merry, soulful exuberance that makes Killa's raunchy wordplay sound somehow innocent. "Open vagina, put your legs behind your head" could almost go on a Hallmark card for your ailing grandmother. Or not.