Def Leppard is readying a 2026 Las Vegas residency, but the enduring rockers also have a new album on the way.

On this day, August 1, 1980, Def Leppard made their live New York debut by opening for AC/DC at The Palladium.

Back in late 1979, the fledgling Def Leppard famously supported AC/DC on Bon Scott's final tour. For the young Joe Elliott it ...