you want to be on someone else's shit? well first they gotta like your shit or you gotta have alot of cash. most features are due to relationships established backstage or anywhere else where artists meet. other times they are impressed with another artist and want to get them on their shit. there are other times where artists (such as JT) put out compilations where people pay them to be featured on their comp. myspace is a start, but don't be suprised if you're getting turned down or foos want money.