It was all to do with the change of producer as well as political reasons I don't really comprehend.
“In piano, if you try to force hitting this key and that key, it's very broken. It's not pretty. When you're in archery, you can't try to force it step-by-step-by-step. Then the shot doesn't flow and it's not a good shot. If you just let the performance flow, it's really beautiful.”