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Guitar harmonic – String instrument technique; Harmonic analysis – Study of superpositions in mathematics; Harmonics (electrical power) – Sinusoidal wave whose frequency is an integer multiple; Harmonic generation – Nonlinear optical process
The harmonic series (also overtone series) is the sequence of harmonics, musical tones, or pure tones whose frequency is an integer multiple of a fundamental frequency. Pitched musical instruments are often based on an acoustic resonator such as a string or a column of air, which oscillates at numerous modes simultaneously.
The chromatic harmonica gradually became the main instrument used by the Chinese Y.M.C.A. Harmonica Orchestra. The Chinese YMCA Harmonica Orchestra started in the 1960s, with 100 members, most of whom played harmonicas. [9] Non-harmonica instruments were also used, such as double bass, accordion, piano, and percussion such as timpani and xylophone.
A glass harp, an ancestor of the glass armonica, being played in Rome.The rims of wine glasses filled with water are rubbed by the player's fingers to create the notes.. The name "glass harmonica" (also "glass armonica", "glassharmonica"; harmonica de verre, harmonica de Franklin, armonica de verre, or just harmonica in French; Glasharmonika in German; harmonica in Dutch) refers today to any ...
Playing a harmonic on a string. Here, "+7" indicates that the string is held down at the position for raising the pitch by 7 semitones. Playing a string harmonic (a flageolet) is a string instrument technique that uses the nodes of natural harmonics of a musical string to isolate overtones. Playing string harmonics produces high pitched tones ...
On a stringed instrument, a note played by stretching a string away from the frame of the instrument and letting it go, making it "snap" against the frame. Also known as a Bartók pizzicato. Natural harmonic or Open note On a stringed instrument, this means to play a natural harmonic (also called flageolet). Sometimes, it also denotes that the ...
Harmonic oscillators occurring in a number of areas of engineering are equivalent in the sense that their mathematical models are identical (see universal oscillator equation above). Below is a table showing analogous quantities in four harmonic oscillator systems in mechanics and electronics.
However, in stringed instruments such as the violin, and guitar, or in some Indian drums such as tabla, [2] the overtones are close to—or in some cases, quite exactly—whole number multiples of the fundamental frequency. Any departure from this ideal harmonic series is known as inharmonicity.