Question: aaba is an example of?
Answer: At its core, the basic AABA 32-bar song form consists of four sections, each section being 8 bars in length, totaling 32 bars. ... For example in the song "I've Got Rhythm", the A sections are in the key of B♭, but the B section involves a circle of fifths series of dominant seventh chords going from D7, G7, C7 to F7.