AP Music Theory Flashcards: Meter and Time Signature
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 10 cards to help you master important concepts.
How is meter represented in a musical score (notated music)?
In notated music, meter is represented by the time signature, which appears at the beginning of the score.
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How is meter represented in a musical score (notated music)?
In notated music, meter is represented by the time signature, which appears at the beginning of the score.
What information do the numbers in a time signature convey?
The upper and lower numbers together imply how many beats are in a measure, which rhythmic value gets one beat, and whether the meter is simple or compound.
What is the relationship between meter and a time signature?
Meter is the organizational grouping of beats, while the time signature is the specific symbol used in written music to represent that meter.
Define duple, triple, and quadruple meter.
Duple meter has two-beat measures, triple meter has three-beat measures, and quadruple meter has four-beat measures.
How would you describe the meter in a piece of music you are listening to (performed music)?
In performed music, meter is described by its type based on how beats are grouped, such as duple, triple, or quadruple.
What two relationships determine a meter's type?
Meter types are identified by the relationship of the beat to the division (simple vs. compound) and the relationship of the beat to the measure (duple, triple, or quadruple).
How does a time signature function in notated music?
A time signature functions by representing the meter in a score, indicating the beat groupings and the rhythmic value assigned to one beat.
If a composer groups beats into four-beat measures, what is this meter type called?
A meter in which beats are grouped into four-beat measures is called quadruple meter.
What is a duple meter?
A duple meter is a meter in which the beat is grouped into two-beat measures.
What is a time signature?
A time signature (or meter signature) is a symbol in a musical score that represents the meter. It consists of an upper and lower number.