Just thought I'd check and take the opportunity to make the distinction - as I'm sure you're aware (not everyone is, it seems) it's wildly different for originals bands, you're minted if you "make it", but at the other end of the scale it's £50 after doing the promoter's job for them and expected to be grateful that your existence was acknowledged, nothing or even worse ... pay to play.
I physically shuddered as I typed that last bit!