Professional musician for 10 years. Guitar teacher for 14 years. College adjunct lecturer for 4 years. Tenured full professor, retired after 25 years. Currently starting new career as a Professor Emeritus. Due to my medical situation, my musical activities have shifted from composition to blues guitar improvisation. Doing multi-step activities, like composing, wear me out now, so blues soloing is my latest activity. I have pain all the time, now, and playing blues guitar really does help. And vice versa: the pain helps with the blues, while the blues helps with the pain. Win/win?