How to Upload a Song to Someone on Facebook
Facebook does not allow users to upload files to a Facebook profile or wall; however, you can easily upload a song and send it to someone through a Facebook message. The message feature has an attachment button that lets you upload files, such as MP3 and WMA audio files. If you want to send the file to multiple people on Facebook, simply type multiple names into the message composition box.
Login to your Facebook account and click on "Messages."
Click on "New Message." Type the name of the person you want to upload a song to in the "To:" box. Type your message in the "Message" box.
Click on the "Paper Clip" icon beneath the message box.
Select the song file you want to upload to the person. Click "Open." The song will begin uploading and will attach to the message.
Click on the "Paper Clip" button again if you want to upload another song. When you are finished, click on "Send Message."