I don't think Thisnis the right question. The right question is likely how much time we should dedicate to subsistence - roof, clothes, food. And that number

I don't think Thisnis the right question. The right question is likely how much time we should dedicate to subsistence - roof, clothes, food. And that number ought to go down. From that you can derive that we should have a freaking lot of people who can devote their time to music.