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metronome | Definition, Tempo, & Beat | Britannica
Amazon.com: Wittner wooden metronome with bell 811M mahogany finish: Musical Instruments
A great way to introduce beginning instrumentalists to the metronome! A quick slideshow that goes over the history … | Metronome, Teaching music, Music and movement
Metronome (magazine) - Wikipedia
Keeping Time: A Short History of the Metronome - Jenny Maclay