I've been a Bad Manners fan for over twenty years, though I never had a chance to see them live.
I read a few years ago that Buster Bloodvessel lost quite a bit of weight due to medical reasons.
Here is the first Bad Manners song that I remembering hearing from them. It got me hooked:
http://www.youtube.com/watch?v=Q9DoP5WPsls
Alligator Wisdom (aka Brother NOT Exerting Vigorously)