Musings On Music History: Def Leppard Goes Through Some Changes, We Lose A Music Giant, and The Sex Pistols Trek Across America

12.31: Okay, let’s go back in the Way Back Machine. We’re going back to the early ‘80s, a time before the fandangled interweb thingamajiggy, upon which you find yourself this very second, a time when, compared to now, the music business seemed small, almost quaint. It was before the rise of alternative rock, before the…