Questions: Motivic Development

Question 1

Which motivic transformation transposes a motive to successive pitch levels while preserving its interval pattern?

• A. Inversion
• B. Retrograde
• C. Sequence
• D. Augmentation

Answer: (C)

A sequence repeats the motive starting on different scale degrees — for example, the opening of a melody on C, then the same shape starting on A, then on F. Inversion flips the intervals (up becomes down), retrograde reverses the note order, and augmentation stretches the rhythm. Sequence is the primary engine of melodic continuation in tonal music.

Question 2

Augmentation of a motive means playing it at twice the speed with shorter note values.

• T. True
• F. False

Answer: False

Augmentation lengthens note values — typically doubling them — making the motive sound slower and more expansive. Diminution is the opposite technique that shortens note values and speeds the motive up. This is a common mix-up because 'augment' sounds like it means 'more of something faster,' but it refers to enlarging the rhythmic values, not compressing them.

Question 3

Why must a composer balance motivic transformation with returns of the original motive?

Model answer: Listeners need to recognize the motive to perceive coherence. Too much transformation without return makes the original idea unrecognizable, destroying the sense of unity. Returns of the original give the listener a reference point that makes the transformations feel purposeful.

Motivic development creates interest through variety, but musical form requires coherence. If a motive is transformed so extensively that it no longer resembles the original, the listener loses the thread. The interplay between transformation and recognition is what gives motivic writing its sense of narrative shape.