A strong body makes the mind strong. As to the species of exercises I advise the gun. While this gives moderate exercise to the body it gives boldness enterprise and independence to the mind. Games played with the ball and others of that nature are too violent for the body and stamp no character on the mind. Let your gun therefore be your constant companion of your walks.
The record business is dangerous to the health of bands and individuals which is something I'm just now learning. But it's not dangerous in any of the ways people think it's not that they try to make you compromise your art. That's not the problem.