. _:b2068134 "solo" . . _:b2068135 "musique instrumentale" . _:b2068134 . _:b2068135 . "improvisation" . . _:b2068136 . _:b2068134 . . _:b2068135 . "improvisation" . "20068516" . _:b2068136 . _:b2068136 "jazz" .