User can create music from thin air

Pros:
-user can add singing
-user can copy someone's voice for singing
-user can do all genres
-user can focus who heats song
-user can make music with anything if needed

Cons:
-user must plan singing in song
-user must copy everything about a person's voice
-user can't randomly make nonsense songs and will have OCD about music from quirk

Weakness: becoming deaf
Usee hears music in head differently to what others hear, they must have full hearing