Absolutely. Makes sense then that musicians, since they have their own unique challenges, have also commissioned studies of their own. I cheer and support them in this research:
ETA: tried to fix link, but if still not working, here is citation:
Teague, A., & Smith, G. D. (2015). Portfolio careers and work-life balance among musicians: An initial study into implications for higher music education. British Journal of Music Education , 32 (2), 177-193.