 Olu ya American nkatọ Daniel Durchholz dere, sị: The e ji mara olu na music na-agwakọta chanson, blues, Jazz na ibuo ọcha na mgbe ụfọdụ nókè fọrọ nke nta na ulo oru music, obim elewo emeela a aha dị ka a ike musical àgwà. 