If fans of Lykke Li were worried that her set at Coachella's outdoor theater this past weekend spelled imminent mainstream success, they might've been onto something: not even one full week later, the remaining contestants on 'American Idol' covered her track 'I'm Good, I'm Gone' (which, by the way, isn't even the lead single). And it gets better, yet: the song appeared as part of a Ford commercial. OK, technically it was a "video" as it is shown during the show, and as part of the show, but now we're talking semantics -- it was a Ford commercial. See the clip and judge for yourself.

And don't worry, if the secret is out about Lykke Li, don't blame 'American Idol.' After all, 99 percent of the viewers didn't know what the song was. Until now. Wait ...