[Answer]-Django Music API

In general I agree with Rajat, what you are trying to achieve (at least the way you described it), can be done with standard Django forms and file handling. However, this app should have already built in a lot of the stuff you require.

You don’t need an API to upload files to your servers.You only need a form to do that.And for enabling your users to download content,you only need links to the files.You can use some api to let only authenticated users download the content from your site.

You can add the file user submitted file in media folder
We then later you can locate it’s path to make available for your users