Hasaan Ibn Ali was a jazz pianist and composer from Philadelphia who is celebrated as a seminal music theorist and technician, and a profound influence on jazz musicians he encountered. The pianist's journey is largely apocryphal. He played on only one record during his lifetime: The Max Roach Trio Featuring the Legendary Hasaan from Atlantic in 1965. Its tunes were composed by Ibn Ali and performed with Roach and bassist Art Davis. Though recorded with the idea of establishing the pianist's reputation, his outspokenness, legal troubles, and advanced techniques kept him in obs...