ocr: Theme 9 scrambles three diatonic cells (A, B, and C), whose range encompasses the same tetrachord and pitches as the ostinato. Trumpets A A B - - t mp cantabile Antique Cymbals A A 5 5 - - E - > F - -e - What underlies these narmonies? Of course- -pairs of interlocking fourths (played on the piano). QUIT ? G w INDEX. RETRACE SHOW TEXT FIND Orchestra O Solo