How to Write for Theme & Variation – Permutation and Same Rhythm with Different Pitches.
Last time I discussed and showed you how “Inversion” and “Retrograde Inversion” were used in arranging melodies.
In this tip we are going to continue with “Permutation” and using the “Same Rhythm with Different Pitches”.
Permutation sounds more complicated than it is. It’s basically just rearrangingthe original pitches of your motive in random order. It’s similar to mixing up a deck of cards. Please look at the comparison below again:
As you will hear in the two audio files above I have used the same pitches but put them into a different order. However both examples still contain a motive so they can be used in conjunction with the original melody.
Lets go back to the eight bar theme & variation and utilize the 2nd permutation example: