How to Write for Theme & Variation – Rhythmic Displacement & Augmentation.
In my last tip I showed you how “Permutation” and “Same Rhythm with Different Pitches” were used in arranging melodies.
In today’s tip we are going to focus on “Rhythmic Displacement”and “Augmentation”.
Rhythmic Displacement is basically just starting an original phrase on a different place (beat) in the bar. You also could say that the melodic phrase is shifted forwards or backwards. Please look at the comparison below again:
The 2 examples above contain the same original motive with the difference that the first one is delayed one beat (a backward shift) and the secondanticipated one beat (a forward shift).
Lets go back again to the eight bar theme & variation and make use of this rhythmic displacement technique: