The twenty-first harmonic ( 470.78 cents ) is the harmonic seventh of the dominant, and would then arise in chains of secondary dominants ( known as the Ragtime progression ) in styles using harmonic sevenths, such as barbershop music.
32.
The first tristimulus measures the relative weight of the first harmonic; the second tristimulus measures the relative weight of the second, third, and fourth harmonics taken together; and the third tristimulus measures the relative weight of all the remaining harmonics (;, ):
33.
Overblowing, on the sordoni, moreover, produced as first harmonic ( the only one required for reed-blown instruments in order to produce the diatonic scale for the second octave ) not the octave, but the twelfth, or number 3 of the series.
34.
The ring of bells at St Michael's church are noted as being one of the few rings in Birmingham still in existence that were produced before the introduction of scientific bell tuning in the 1890s ( John Taylor & Co installed Birmingham's first harmonic ring at St . Barnabas'Church, Erdington in 1906 ).
35.
:Effectively the presence of harmonics or overtones is means that the'note'consists of multiple pure tones-there are multiple notes being played simultaneously when a piano key is pressed-the note ( on the musical score ) corresponds to the first harmonic . 87.102.11.213 18 : 07, 26 August 2007 ( UTC)
