LOS ANGELES (AP) -- Green Day's "21st Century Breakdown" has won the best rock album Grammy.
The group's album topped works by U2, AC/DC, Eric Clapton and Steve Winwood, and the Dave Matthews band.
Beyonce leads Sunday night's awards program with five trophies including song of the year for her hit "Single Ladies (Put a Ring On It)."
The Kings of Leon's "Use Somebody" has been named record of the year.
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