In case you missed it, Activision is giving away five free Guitar Hero World Tour downloadable tracks to anyone who purchased the game and the new World Tour guitar. Yes, free songs!

All you'll need to do is head over to the promotion Web site, enter some info, and you'll have the choice to choose five of the following ten tracks: Blind Melon's "No Rain"; Boston's "Rock and Roll Band"; Foreigner's "Hot Blooded"; The Killers' "Human"; Nirvana's "Silver"; Oasis' "The Shock of the Lightning"; R.E.M.'s "Supernatural Superserious"; Racontuers "Salute Your Solutions"; Rick Springfield's "Jesse's Girl"; and Smashing Pumpkins "The Everlasting Gaze."

So which five do I choose? It's a tough call. I already purchased "Jesse's Girl" to try out the in-game store, and I'm pretty sure I already own "Rock and Roll Band" in Rock Band, so that helps narrow things down a bit. But this is big decision -- help me!

Oh, and if you're interested in getting the free tracks yourself, hurry up -- the promotion only lasts through December 31. Note that it'll take 4-6 weeks to get info on how to download the tracks, so don't count on these tracks for your New Years Eve parties.