An iP(hone/ad) with Garage Band free from the app store, or a laptop with a DAW are tools your daughter can grow into. But playing music in public versus over

An iP(hone/ad) with Garage Band free from the app store, or a laptop with a DAW are tools your daughter can grow into. But playing music in public versus over headphones is more musical...it's not just what live musicians do, DJ'ing is also a thing. As is audio engineering, which requires the willingness to do more work than seems reasonable to others to get the sound you want. And her workflow certainly looks a lot like that.