After being locked in for NCAA commercials for the past couple months, Rihanna's "American Oxygen" finally got debuted during her set at the March Madness Fest a couple days ago. Now, we actually get the track itself as released on Jay Z's newly minted streaming platform Tidal, to which Ri's Roc Nation affiliation is, for obvious reasons, inextricably bound. Breathe in, breathe out here.