Just a quick point - Lots of BCers seem to have this idea that the bassist is some sort of "rock" for the band to stand on. Less is better than more, no-one ever listens to the bassist anyway, etc etc. I think you're mixing yourselves up with the drummer. The drummer is the guy who holds down the band..... (i've written and deleted loads of bollocks, I just can't word it correctly)... if you watch any "jam bands" or just something like the mars volta, the drummer might be playing something f***ed up, but he's still holding down the band. To a certain extent the bassist can improvise whatever he wants without ruining the "songs".
So yeh, the bass is very important, and funky slap soloing over a rock ballad wouldn't work, but there's deffinitely lots of room for improvisation on the bass - a lot more room than for the drummer!
[quote name='Lord Sausage' post='950231' date='Sep 9 2010, 08:48 AM']For me, playing devils advocate is for pompous tits who convince themselves its entertaining![/quote]
I couldn't disagree more.