MusicianCV · TRSimilarity and contrast in AABA
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Form and flow
In AABA, an A idea appears twice, B supplies contrast, and a final A returns to familiar material. Letters identify sections rather than individual notes. Matching letters allow variation in text, ornamentation or endings.
Identify what makes A recognisable and what B changes: harmony, register or rhythmic activity may provide the contrast. The return gains meaning through what intervened. Eight-bar sections and a thirty-two-bar total are familiar possibilities, not requirements of every use of the scheme.
Example
Try contrasting your own eight-bar A idea with B, then listen to the return.
Similarity and contrast in AABAA₁ → A₂ → B → A₃
Try it
Which letter marks the contrasting section in AABA?
Answer
B, followed by a return to A material.Related topics
Verse, chorus and bridge · Harmonic rhythm: when chords changeReferences
Music Theory for the 21st-Century Classroom
Subject-expert review pending.