What GUEST,daylia said.

Among many folk musicians there is the myth that music theory is nothing but a bunch of rules and restrictions and learning it will clip one's creative wings, so to speak. Nothing could be further from the truth. When I first dipped a toe into music theory (after having been warned that it would destroy me as a folk musician), I started discovering what was possible. It opened up whole new worlds.

For a musician of any kind to avoid learning music theory makes about as much sense as a scientist trying to avoid any knowledge of mathematics.

Don Firth