We know, we know! The last thing that should happen when somebody mentions the Grateful Dead -- undeniably one of the most culturally significant bands of the 20th century -- is that our brain immediately goes to delicious ice cream. Sorry, but word association works in magical ways. Grateful Dead to Jerry Garcia to Ben & Jerry's Cherry Garcia.

Full details on next week's Rock Band DLC, featuring the Grateful Dead and The Smithereens, can be found after the break.