It seems like every decade is defined by the music it produces. Even if you don't know the name of a famous band's rhythm guitarist or drummer, it's undeniable that these groups crafted the entire sound of an era. While I'm aware that many of these bands' popularity spanned more than a mere 10 years, can you pick just one per decade? And if you're feeling really passionate, we can fight it out in the comments over who deserves the crown.