If you’re after a quick an easy way of getting more retweets and exposure on Twitter, Tweetforatrack could be just what you’re looking for.
Here’s how it works. You upload a track to their site, tweet about it. One of your followers on Twitter sees it, RTs and is emailed the MP3. You get exposure, they get some music.
Find out more from http://www.tweetforatrack.com/