When Dave Matthews stopped by the Rolling Stone offices on Tuesday (en route to two gigs at West Point to reward the winners of a pep-rally competition), he took a few minutes to chat about his guitar-playing technique and how he deals with forgotten lyrics onstage. Then he broke into a hypnotic riff and started to sing along. Click above to check out footage of Matthews playing that new track, "Round and Round," which he debuted onstage in New Jersey Tuesday night.
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