Jon Hassell - Seeing Through Sound (Pentimento Volume Two)Composer trumpeter Jon Hassell (born March 22, 1937) is the visionary creator of a style of music he describes as Fourth World, a mysterious, unique hybrid of music both ancient and digital, composed and improvised, Eastern and Western. After composition studies and university degrees in the USA, he went to Europe to study electronic and serial music with [a=Karlheinz Stockhausen]. Several years later, he returned to New York where his first