I am a classical musicianby profession (principal bassoon in Norrköping Symphony orchestra if that tells anyone anything). I have used the techniques in the inn

I am a classical musicianby profession (principal bassoon in Norrköping Symphony orchestra if that tells anyone anything). I have used the techniques in the inner game of tennis daily for about as long as I can remember. A teacher of mine noticed I had a very uneven level and made me read it. One of the most important books in my professional career.