The man whom American Impresario Bill Graham, the most iconic concert promoter in the history of live music, called The best kept secret in the music business; who taught Joni Mitchell her first guitar techniques; taught George Harrison of the Beatles his first lessons on Sitar; the man who wrote the music to Donovans Season Of The Witch; and who has had many of the finest musicians in the world, including Eric Clapton and Steve Winwood, play on his albums. He has produced 28 albums with some 10...