The A above middle C has a frequency of 440 Hz. If you play this note on a piano and the piano string oscillates with an amplitude of 0.55 mm, what is
Pitch in Music: Notes, Frequencies, and More - Phamox Music
Pitch shifting to 432 Hz doesn't improve music – The Sound Blog
A 44O
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![Piano Tuning Theory - Hertz, Beats and Cents [Part 5] I HOWARD PIANO INDUSTRIES - YouTube](https://i.ytimg.com/vi/5VySJwmca3k/sddefault.jpg "Piano Tuning Theory - Hertz, Beats and Cents [Part 5] I HOWARD PIANO INDUSTRIES - YouTube")
Piano Tuning Theory - Hertz, Beats and Cents [Part 5] I HOWARD PIANO INDUSTRIES - YouTube
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Piano tuning - Wikipedia
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All You Need to Know About Piano Tuning - Emma Blair Piano
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Why tune my piano to A-440 or concert pitch? — Fine Tuning
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Frequency and Pitch
