CORNELL

72 MODERN HARMONYEx. 152.C to C.Ex. 153.Andantino.Same transposed to G.Amongst the many modern experiments with new scales,none are more interesting and individual in results than thoseScriabine's used by Scriabine in his later works. Scriabine'sScales,favourite chord is a Dominant thirteenth with aflattened fifth and a major ninth.Ex. 134.a) Chord, b) Scale. c) Derivation.^ ^ii33*r^^^te=^But it is more than a favourite chord ; it is in a way his onlychord, from which he derives his scale and the whole of thematerial for his great tone-poem " Prometheus." He selectsthis chord from the natural harmonic series, and so evolvesa scale which is only redeemed from coincidence with the" tonal ' one by the leap of a minor third instead of a tone.'^^^^^Comparison leap, however, makes all the difference, forwith "Tonal" whereas the "tonal" scale never changes itsystem." colour-sensation " in its inversions, and onlyallows of one transposition (a semitone up or down), Scriabine's