Find local studios in your area. Go to hip-hop gigs. Especially underground ones.

Er, there's many ways. Depends how desperate you are. I just can't think of any more at present. And plus i only know this off bluds and what not. And i guess i had advantages too. Never really chased up to get a demo to anyone. Or properly been on circuit.

Ask Camarac or maybe Methane. I think one of the two are on the circuit of sorts. So they should know,