In his Autobiographical Sketch Ravel looks back and stresses the importance of his Miroirs (51480842), published in 1906, for his harmonic evolution. He said that they had disconcerted even those musicians who had been mostfamiliar with my compositional style up to then. This is particularly true of the fourth piece in the collection, Alborada del gracioso (Morning song of the court jester), with its frequent employment of harsh dissonances. Thisboth technically and musically charming genre scen