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AP Music Theory Practice Quiz: Triad and Chord Qualities (M, m, d, A)

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 9 questions to check your progress.

Question 1 of 9

According to the provided text, what is the minimum number of pitches that must sound simultaneously to be considered a chord?

All Questions (9)

According to the provided text, what is the minimum number of pitches that must sound simultaneously to be considered a chord?

A) Two

B) Three

C) Four

D) Five

Correct Answer: B

The text states, 'A chord consists of three or more pitches sounding simultaneously.' Therefore, the minimum number is three.

Based on the text, which of the following is NOT listed as a common quality of a triad in Western music?

A) Major (M)

B) Minor (m)

C) Suspended (sus)

D) Augmented (A)

Correct Answer: C

The text lists the four common triad qualities as major (M), minor (m), diminished (° or d), and augmented (+ or A). 'Suspended' is not mentioned in the provided content.

What fundamental element is responsible for a chord's unique sound and its classification into a specific quality like major or minor?

A) The number of pitches in the chord

B) The dynamic level at which the chord is played

C) The structure of intervals within the chord

D) The instrument playing the chord

Correct Answer: C

The text explicitly states, 'The structure of intervals of a given triad or seventh chord accounts for the chord’s unique sound and allows it to be classified as a specific chord quality.'

The text identifies which two as the basic kinds of chords?

A) Major and minor chords

B) Root and inverted chords

C) Triads and seventh chords

D) Augmented and diminished chords

Correct Answer: C

The content says, '...the two basic kinds of chord are triads and seventh chords.'

A student listens to a piece and identifies a chord by its sound. This action is an example of describing the quality of a chord in what context?

A) Notated music

B) Performed music

C) Theoretical music

D) Historical music

Correct Answer: B

The first point in the content is to 'Describe the quality of a chord in—a. performed music b. notated music.' Listening to a chord and identifying its quality by ear relates to performed music.

Which of the following symbols is commonly used to represent a diminished triad quality?

A) m

B) °

C) M

D) +

Correct Answer: B

The text indicates that a diminished triad is represented by '° or d'.

The classification of a chord as major, minor, diminished, or augmented is known as its...

A) Inversion

B) Pitch

C) Quality

D) Voicing

Correct Answer: C

The text states that the structure of intervals allows a chord 'to be classified as a specific chord quality (or type).'

The text suggests that the system of classifying triads as major, minor, diminished, and augmented is a characteristic feature of which musical tradition?

A) All global music traditions

B) Eastern music

C) Western music

D) Ancient music

Correct Answer: C

The text specifies, 'In the tradition known as Western music, the following qualities of triad are commonly found...' This implies the system is a key characteristic of this tradition.

An analyst examining a written musical score and labeling the chords with quality symbols (M, m, d, A) is describing chord qualities in the context of...

A) Performed music

B) Improvised music

C) Notated music

D) Aural skills

Correct Answer: C

Analyzing a written score falls under the category of 'notated music,' as mentioned in the first point of the provided content.