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14 points
METRONOMES is validvalid
METRONOME, [n]
METRONOME, a mechanical device which indicates the exact tempo of a piece of music by producing a clicking sound from a pendulum with an adjustable period of swing [n]
METRONOME, [n]
METRONOME, a mechanical device which indicates the exact tempo of a piece of music by producing a clicking sound from a pendulum with an adjustable period of swing [n]