and downright tragic at times, but the Leppard persevered to keep its Hall-of-Fame career going. Of course, it's really all about the music. Here's our list of the 20 best Def Leppard songs.

The group doesn’t return with their bestselling album or even a beloved greatest hits compilation, but rather one of their most unlikely champions. Def Leppard’s Drastic Symphonies reappears ...