Virgin Digital has got it going on.
They've launched a series of highly involving games/challenges in multiple formats to announce/promote its music service.
Included is this great "treasure hunt" on Heavy.com (my magnifying glass is on the 20 made out of Matchboxes :); I also like the green day on the calendar to its right) I was surprised that I couldn't find a comprehensive cheat sheet on the Web, but I guess people don't want to share when it comes to winning something.
There's also a cool video promo where you have to identify a series of songs/artists. This time, there is a cheat sheet (spoiler alert)
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