Harmony is a composer/arranger’s main story telling device. It provides us the context over which the rest of the music happens. Often, a composer’s harmonic language serves and a compositional fingerprint that underpins their personal style. Chopin sounds different from Beethoven in part because of the differences in their harmonic decisions.
Take your theme and 4 variations and write an harmonic accompaniment. Here’s an example using the Carmen variations from the previous lesson.