Answer
1- click this link http://www.snapdrive.net2- register a new accunt for yourself3- click "update" button at top of the page on the bar (attention: not public update.. just "update" button beside it)4-browise any mp3 file from your computer you wanna play and click upload5- when upload finish, go to "my files" button, click on it. 6- click the "link" button on the mp3 file you just upload and copy the link it gives you7-turn back to your blast and paste the code to link part and save. it will appear on your blast as a play button, when somebody click on it it will begin to play.8- let me know which music you uploaded ;-)have fun..