Hmm, not sure it will ever come into the category of 'therapeutic'
Mind you, as Lizzie said (of piano playing) in 'Pride and Prejudice':
"My fingers do not move over this instrument in the masterly manner which I see so many women's do. They have not the same force or rapidity, and do not produce the same expression.
But then I have always supposed it to be my own fault -- because I would not take the trouble of practising. It is not that I do not believe my fingers as capable as any other woman's of superior execution.”