With more than 70 songs in Guitar Hero III: Legends of Rock and 1.4 million copies of the game sold in the US in its first six days on sale, there are doubtlessly a wealth of people being introduced to new songs by the game. Apparently a significant chunk of those gamers like what they're hearing, because Ars Technica is reporting that a number of tracks included in the game have seen their sales skyrocket on digital music services like iTunes.
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