I am really enjoying the responses so far.
For example, I wouldn't have expected an individual to pick Pink Floyd for one decade and Kanye West for another. Likewise for Black Sabbath and Madonna!!! Those are combinations I wouldn't have imagined, but that's what is making it interesting.
Also, I notice no one has attempted the '50s or earlier except me...
That's because no one is as old as you are... :-) Sorry, but you of course know that I'm just kidding.. The combinations are quite interesting and I'm sure there's a personal story behind all this that a simple decade ranking simply won't reveal.. It is a subjective perspective more than a objective ranking and this is what you asked for, right? I have listened to ABBA just as much as the Sex Pistols in 77' and I still enjoy both, weird, but a fact.. All a personal experience..