Didn't look very far, did ya?
http://www.musicbanter.com/introduct...sicbanter.html
Basically, in case you don't want to actually read the rules, you can't just come in and post your material. You need to prove yourself a worthwhile member; introduce yourself, tell us about yourself, join/make some threads, get to know people and let them get to know you, then maybe after a few months people may want to hear your stuff.
This is primarily a site for discussing music, not for self-promotion.
So now you know...