The most common scales in Western music contain seven pitches and are thus called “heptatonic” (meaning “seven tones”). Other scales have fewer notes—five-note “pentatonic” scales are quite common in popular music. There's even a scale that uses all 12 pitches: it's called the “chromatic” scale.
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Answer:
The most common scales in Western music contain seven pitches and are thus called “heptatonic” (meaning “seven tones”). Other scales have fewer notes—five-note “pentatonic” scales are quite common in popular music. There's even a scale that uses all 12 pitches: it's called the “chromatic” scale.
Explanation: