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A musical keyboard is the set of adjacent depressible levers or keys on a musical instrument. Keyboards typically contain keys for playing the twelve notes of the Western musical scale, with a combination of larger, longer keys and smaller, shorter keys that repeats at the interval of an octave. Pressing a key on the keyboard makes the ...
Piano key frequencies. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4 ), tuned to 440 Hz (referred to as A440 ). [ 1][ 2] Every octave is made of twelve steps called semitones.
The piano is a keyboard instrument that produces sound when its keys are depressed, through engagement of an action whose hammers strike strings. Modern pianos have a row of 88 black and white keys, tuned to a chromatic scale in equal temperament . There are two main types of piano: the grand piano and the upright piano.
Some of the earliest printing telegraph machines either used a piano keyboard outright or a layout similar to a piano keyboard. [16] [17] The Hughes-Phelps printing telegraph piano keyboard laid keys A-N in left-to-right order on the black piano keys, and keys O-Z in right-to-left order on the white piano keys below.
Electronic keyboards include synthesizers, digital pianos, stage pianos, electronic organs and digital audio workstations. In technical terms, an electronic keyboard is a rompler -based synthesizer with a low-wattage power amplifier and small loudspeakers . Electronic keyboards offer a diverse selection of instrument sounds ( piano, organ ...
The modern piano keyboard is based on the interval patterns of the diatonic scale. Any sequence of seven successive white keys plays a diatonic scale. Of Glarean's six natural scales, three have a major third/first triad: (Ionian, Lydian, and Mixolydian), and three have a minor one: Dorian, Phrygian, and Aeolian).
Freedom Tour. (2010) Piano & I. (2011) Set the World on Fire Tour. (2013) Piano & I: A One Night Only Event with Alicia Keys, commonly referred to as Piano & I, was a promotional concert tour by American singer and songwriter Alicia Keys. The tour commemorated the tenth anniversary of Keys' debut album, Songs in A Minor (2001), which Keys re ...
A Jankó keyboard. The Jankó keyboard is a musical keyboard layout for a piano designed by Paul von Jankó, a Hungarian pianist and engineer, in 1882.It was designed to overcome two limitations on the traditional piano keyboard: the large-scale geometry of the keys (stretching beyond a ninth, or even an octave, can be difficult or impossible for pianists with small hands), and the fact that ...