What is the name of the clockwork device used by pianists to measure time?
Metronome Metronome marking Mälzel's metronome Maelzel's metronome Metronome mark Metronomes Malzel Metronome
metronomes maelzel s metronome malzel metronome metronome mark metronome mälzel s metronome metronome marking
metronome
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Metronome