Celesta (1925), Richard Strauss's "Ariadne auf Naxos" (1912), and "Die Frau ohne Schatten" (1918), while "an excellent example of its beauty when well employed", is the Silver Rose scene in his "Der Rosenkavalier" (1911), Ferruccio Busoni's "Arlecchino" (1917) and "Doktor Faust" (1925), Carl Orff's "Carmina Burana" (1936) and "Der Mond" (1939), Gian Carlo Menotti's "Amelia Goes to the Ball" (1937), Benjamin Britten's "The Turn of the Screw" (1954) and "A Midsummer Night's Dream" (1960), Conrad Susa's "Transformations" (1973), and Philip Glass' "Akhnaten" (1984). The keyboard glockenspiel part in Mozart's "The Magic Flute" is nowadays often played by a celesta. Since Earl
Carmina Burana musical notation that by the time of the manuscript had largely been superseded by staffed neumes. Unheighted neumes only indicate whether a given note is pitched higher or lower than the preceding note, without giving any indication of how much change in pitch there is between two notes, so they are useful only as mnemonic devices for singers who are already familiar with the melody. However, it is possible to identify many of those melodies by comparing them with melodies notated in staffed neumes in other contemporary manuscripts from the schools of Notre Dame and Saint Martial. Between 1935 and