Hello Discover,
Here at Groovefile we have a plan made purely for mp3's. It offers unlimited everything for the downloaders such as full speed, parallel downloads, and no wait time. Your downloader will not need to buy premium to download the mp3's you will be uploading. We believe to have one of the best rates in the industry, we do not have country tier's it's a flat rate of: 1.75$/1,000 downloads.
Just select the mp3 plan once you login on to your "My Account".
www.Groovefile.com
Happy holidays, Scott