Def Leppard show spotty at times in sound, but still fun

It continues to amaze how classic rock bands can remain so dominant in concert despite little or no radio airplay or retail sales.

The latest to pass through was Def Leppard at the sold-out Universal Amphitheatre on Wednesday, and the British fivesome delivered a greatest-hits set that was just as well-received as when releases such as "Pyromania' and "Hysteria' ruled the charts.

Def Leppard's only problem was an overly loud PA system. Such volume distorted many of the group's most memorable selections, such as "Photograph,' "Pour Some Sugar on Me,' "Rock of Ages' and "Love Bites.'

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