"Blog premieres (where you give a blog a limited window of time in which they’re the ONLY place someone can go to hear a song or watch a video) have become a ubiquitous way of promoting new music — but are they WORTH it?"
Find out some Pros and Cons on Blog premiers, and how you can set one up to have the best possible release of your song in this great read posted by our friends at DIY Musician (CD Baby's Blog)
http://diymusician.cdbaby.com/music-promotion/blog-premiere-for-your-song/