Def Leppard warms up crowd of all ages at the Fairgrounds

Eighties rock icons Def Leppard proved that their music is the rock of ages Tuesday night at the Allentown Fairgrounds.

Playing for crowds of mothers, fathers, grandparents and children, the band — even though a little long in the tooth — eventually brought the crowd to a frothing intensity.

Opening with "Let it Rock" from the 1983 record "Pyromania," the hair metal icons burst on stage with a dizzying light show.

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