Heavy metal masterminds Metallica anchored KFMA Day 2008 in what turned out to be one of Tucson's biggest-ever concerts.
By some reports, 28,000 people showed up for the daylong rock fest at Pima County Fairgrounds, which lists its concert capacity at 24,000. That would make it the second biggest concert event in Tucson history, behind the 1977 Fleetwood Mac show that brought out 67,000 to Arizona Stadium.
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