Question

What is the difference between sonata-allegro form and sonata form?

Answer 1

sonata allegro form is the before mentioned ABA form while sonata form is a three mvt form with the first mvt being in sonata allegro form, the second a menuet or some other slower form, and the third mvt. a faster sonata allegro, scherzo, or rondo.

Answer 2

Answer: There is no difference between the two, they are the same thing, but the addition of “allegro" subsumes that the first movement of a sonata will be in a fast tempo, and will be in sonata form.

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