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Ubisoft announced today that the Rock Hits 1970s DLC pack is now available for download for Rocksmith. Rocksmith is the first and only video game that allows players to plug in any real guitar into an Xbox 360, PlayStation3 to play a sizeable library of songs from the latest hits to classic rock songs. Rocksmith adapts to the players skill level from novices who have never picked up a guitar to the most experienced shredder.