Edited sentence: He is a major figure in jazz in the late 20th/early 21st century, and one of the very few musicians from the post-war jazz era who still plays groundbreaking music.It is fair to say that Konitz is one of the few musicians who have become more adventurous as they aged - he began playing relatively mainstream hard bop, but has produced some impressive avant-garde/improv albums during the past decade or so, providing inspiration for far younger players