octave

The primary theme repeats a climbing four-note figure three times before a sudden plunge of a full octave.

From The Wall Street Journal ● Sep. 18, 2026

Some things about Joni’s musicianship have deteriorated: She doesn’t play much guitar anymore, and her voice is an octave lower than it was.

From Los Angeles Times ● Feb. 1, 2025

It became a defining song for the genre, marrying Thomas's gospel-trained, four octave vocals to a pulsing electronic beat.

From BBC ● Jul. 22, 2024

So if there’s 13 notes to the octave, a minor ninth or 13 semitones sounds like an octave when you play it on the keyboard.

From New York Times ● Feb. 11, 2024

As we saw when we first encountered the octave, if your column of air is exactly half the length of where you started, you will get a note that is the same pitch, only higher.

From "The Story of Music" by Howard Goodall

Ms. O’Hara, best known for her crystalline singing in musical revivals, proves to have a similarly wide range of octaves when it comes to physical comedy.

From The Wall Street Journal ● Apr. 20, 2026

For what it’s worth, though, they did find that the waves corresponded to the note of B-flat, about 57 octaves below the middle C note on a piano.

From Salon ● Jun. 3, 2025

When I write for tuba, I sing all of the melodic parts and I transcribe them maybe three or four octaves down.

From Los Angeles Times ● Oct. 9, 2024

This excitation triggers the generation of harmonic electronic states that give rise to single photons -- similar to how musical harmonics produce notes across multiple octaves.

From Science Daily ● Apr. 23, 2024

Two notes that are exactly the same pitch, for example, have a frequency ratio of 1:1, and octaves, as we have already seen, are 2:1.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones