In his recent post on MusicThinkTank, Darius Burgan outlines how to effectively utilize mixtape hosting platforms, and the best way of persuading influencers and blogs to help "get your name out there"
"Popular blogs and magazines rarely post independent rappers. Why? Because they don’t need to and independent rappers aren’t usually able to add much value to popular blogs and magazines
But, that’s ok. There are still a ton of smaller blogs that are much happier to work with you.
You should be targeting them
Look for the blogs in your city that support local independent rappers and professionally contact them."