When You log in you will see on Left-hand side
Where it says Auton DJ go ahead and select Files
You're going to have a new screen that look likes this
One the bottom in the middle there's a little grey bar click that to show upload options.
Its highlighter on this screen however it is a grey looking bar it's normally open
on the bottom Left-hand side, you will see the upload options or delete.
Now you're going to press upload
and a window will pop up that looks like this.
Select a .mp3 file (other file formats may or may not play)
Now You have uploaded a file to the server
If your file is bigger than 100mb use FTP to upload files over 100mb