I have a bad back partially from playing the drums and singing. I used to have to hold my body in such a position that my spine got out of alignment. ↗
Personally, I've found that the kind of thing that I like is going into somebody else's area and not playing their music but doing whatever I do in their area. ↗
People are always defining and re-defining music. My style of playing has been characterized as smooth jazz and acid jazz. I listen as I play; I'm not caught up in defining the type of music I play. ↗
Even if it is difficult playing with other people - sometimes it's great, sometimes it isn't, but that is kind of the point of it. It loses its point playing solo. ↗