Question

Which song form is usually in a 32-bar scheme and was commonly associated with mainstream pop music before rock and roll?

Answer 1

AABA

Step-by-step explanation:

AABA song form is a 32-bar song form known as American popular song form , especially common in the first half of the 20th century.

This song form consists of four sections:

Eight-bar A section

A second eight-bar A section (which may be a little different from the first A section);

An eight-bar B section, often with contrasting harmony or "feel"

And a final eight-bar A section, hence the 32-bar and the name AABA song form.