In the red corner we have:

(The 90s)
Britpop
Hip Hop (mainstream birth)
Trance
Techno
Rave Culture
Oasis
Blur
The Prodigy
Radiohead
Nirvanna
Spice Girls
Backstreet Boys
Happy Mondays
Pearl Jam
etc...

In the blue corner we have:

(The 80s)
Acid House
Thrash Metal
Hip Hop (underground birth)
New Wave
Michael Jackson
Metallica
Duran Duran
The Smiths
New Order
The Cure
The Stone Roses
etc...

Some bands obviously overlap but I've suggested their more significant era.

Who wins?

(Inspired by the Coolio thread)