This is a music instruments separator of AI.

You can only select songs that you have added yourself from your music library.
You can get a high quality instruments separated song.
And play a separated song and control volumes each instruments.

Let's create a vocal cancel song and do practicing a sing.
You can also make a song for canceling instruments in the same way.

Processing to separate a song at the server.
So you should connect WiFi, because send a song to the server and download a separated song from the server.
After download, you can play a separated song on device, don't need network connection.