Free Guitar Hero 3 St. Patty's Day pack is available on Xbox live marketplace now and should be on PSN soon.
Activision is once again bringing free content to marketplace. The dlc pack has master tracks for three songs by an punk band the
Dropkick Murphys.
Make sure you download the pack while it is still free and there is no official word on how long it will be available. I can't guarauntee you there will be a pot of gold at the end of the songs, but you better wear some green so you don't get pinched. Oh, the green button on the guitar doesn't count even though you are holding it.
Here are samples of the songs from youtube.
"Johnny, I Hardly Knew Ya"
