Our review copy is in the house, and this game has a reversible cover.
http://www.nintendoworldreport.com/blog/30901
You'll have to wait a few days for our review (it needs to get in the hands of one Nate Andrews, who will be doing the review), but until then, check out the nifty reversible box art that also highlights the interior holes in the 3DS case.
If you're curious about Theatrhythm, you can check out our variety of coverage, ranging from Danny Bivens' Japanese review to several impressions from places like PAX East 2012 and E3 2012.
Theatrhythm Final Fantasy comes out in North America on July 3 and Europe on July 6.