Music is a central part of every human culture..even SinDome. As you trudge through the deperate streets of RED, you should be able to hear the old man on the corner playing a mean saxophone for change, or the kid banging on a set of plastic buckets like a drumset. Don't the kid with the chinese violin playing by the maglev station who hears everything. There's the kid on GREEN being dragged by his parents to nightly flute practice. The decker who doubles as a DJ at the clubs. The piano-synthesizer player in the divey bar.
A lot of potential for the artist-types to play for their supper, more stuff to sell, and an elctric guitar makes a good club in an emergency, and you could garrotte someone with the strings..
But that would be unprofessional!