Berklee - Jazz Composition_split_168

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    6 14

    maj2 mi2 maj3 maj3mi2maj2becomes

    CHAPTER 3 BLUES AND SONG FORM

    1

    P4

    2 9

    P5

    10

    becomes

    Motivic transformation: same pitches, different rhythmIn measures 1 and 3 the pitches remain the same but the rhythm changes through displacement.

    Motivic embellishmentMotivic embellishment occurs in measure 27.

    Tonal inversionInversion changes the direction of a melodic gesture from up to down, or from down toup. Tonal inversion adjusts the intervals either to leave the tonality undisturbed or to create a wider or narrower interval in the inversion. Exact inversion maintains the exactintervallic relationships even if the tonality is disturbed in the process. Tonal inversionoccurs in a comparison of measures 1 and 9. The perfect fourth in measure 1 inverts to aperfect fifth in measure 9. The melodic gesture changes from downward in measure 1 toupward in measure 9. The tonality remains undisturbed.

    Exact inversionExact inversion occurs in a comparison of measures 6 and 14. The consecutive intervals of a major second, a minor second, and a major third in measure 6 are mirroredin measure 14. (As it turns out, this particular inversion doesnt disturb the tonality of B% major.)

    1 2 3 4

    becomes

    27 28

    becomes

    jazz composition 2 5/28/03 4:37 PM Page 151