Currently, you can't upload music directly from iTunes, but you can convert it as an MP3 music file and then upload it.
- On the right-hand side of the screen, you have several customization options.
- On the Playlist section, there is a small arrow, click on this to open a drop-down list of available options from Music Library.
- Once you have the MP3 music file to add it, please select +Upload music. You can then browse and select your own music from your computer.