CMP Composition and Music Theory 2

Question 1

In Roman numeral analysis, what does a lowercase 'v' with a superscript 'o' (v°) indicate in a minor key?

Accepted Answer

A diminished triad built on scale degree 5

Answer

In natural minor, the triad on scale degree 5 is diminished (v°), unlike the raised leading tone that creates V major in harmonic minor.

Question 2

What is a 'pedal point' in music composition?

Accepted Answer

A sustained or repeated note in one voice while harmonies change above or below it

Answer

A pedal point is a compositional technique where one pitch is held (usually in the bass) while other voices move through changing harmonies.

Question 3

Which mode starts on the 6th degree of the major scale and has a lowered 3rd, 6th, and 7th compared to major?

Accepted Answer

Aeolian

Answer

Aeolian mode, also known as the natural minor scale, is built on the 6th degree of the major scale and features a b3, b6, and b7.

Question 4

What is the term for a chord progression that moves from IV directly to I, often used to end a phrase with a softer resolution?

Accepted Answer

Plagal cadence

Answer

A plagal cadence (IV–I) is sometimes called the 'Amen cadence' and provides a softer, less definitive sense of closure than an authentic cadence.

Question 5

In music theory, what is 'hemiola'?

Accepted Answer

A rhythmic device where two measures of triple meter are felt as three measures of duple meter

Answer

Hemiola creates a temporary metric shift by grouping beats in a 3:2 ratio, making two bars of 3/4 feel like three bars of 2/4.

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