AABA form , also known as 32-bar song form, consists of a twice-repeated strophe (AA), followed by a contrasting bridge (B), followed by another repetition of the initial strophe (A). AABA and strophic form were common especially in older pop music (1960s and earlier).

What are the 4 types of musical form?

Four basic types of musical forms are distinguished in ethnomusicology: iterative, the same phrase repeated over and over; reverting, with the restatement of a phrase after a contrasting one; strophic, a larger melodic entity repeated over and over to different strophes (stanzas) of a poetic text; and progressive, in …

What is ABAC form called?

0:00–0:13Introduction, 4 bars0:13–1:13Verse, 16 bars (8 bars + 8 bars)1:13–1:41A section, 8 bars1:41–2:07B section, 8 bars2:07–2:32A section, 8 bars