Beginning in 1966, the diploma of social and inventive dialogue amongst rock musicians dramatically accelerated for bands who fused elements of composed music with the oral musical traditions of rock. During the late Sixties and Seventies, progressive rock bands represented a form of crossover music that mixed rock with excessive art musical types either by way of citation, allusion, or imitation. Progressive music could additionally be equated with express references to aspects of art music, sometimes ensuing in the reification of rock as art music. Art music (alternatively referred to as classical music, cultivated music, severe music, and canonic music) is music thought of to be of high phonoaesthetic worth. It typically implies advanced structural and theoretical concerns or a written musical tradition. In this context, the phrases “critical” or “cultivated” are frequently used to current a distinction with odd, everyday music (i.e. well-liked and folks music, also called “vernacular …