Why are piano keys always black and white?
Speaking of piano, many people have come to the spirit, because it not only has the beautiful sounds, but also the nightmare of many children . Many kids have been take to piano training courses by their parents. The study of the piano, it is not an easy thing, so many people do not have the interest of complaining incessantly. Piano is the Western classical music in a keyboard instrument, which by the Italian Kristofoli (Bartolomeo Cristofori, 1655-1731) in 1709 invention, it has been 306 years.
What instruments can best reflect Prince temperament?
Boys answer may be varied, but the girl's answer must be a piano, wearing a custom high-level suit, slender and clean fingers on the keys to play, with the warm smile, this picture is essential television, In order to win the attention of girls like, how many boys who did not have any piano experience are sitting in front of the piano.You may think that playing the piano is just press the corresponding keys on the keyboard, or even do not need to control their own breathing like playing the flute, but the piano is the most difficult instruments to play. Not only the pedal we use, but also the piano keys can make you feel dizzy, because it has two color keys which are the large, long white key, and a black key in the middle of the white key.
What is “Equal Temperaments”?
The tuning of an octave into 12 equal semitones. Simply to say, "a group of sound" is what we usually say that an octave. The method of dividing the set of sounds is to divide the interval of this octave into 12 parts by frequency and so on, so that the frequency between two adjacent temperaments is exactly equal. Each of the equal parts we call a semitone, two semitones together called a whole tone.The piano is based on the “Equal Temperaments”, and its two keys are separated by a semitone. For example, the sound of the white key ”do”, and it is on the right side of the black key on the interval of a semitone, and the black key and it is the right side of the white key separated by a semitone. So start from the white key “do” to the right adjacent of the seven white keys (corresponding to seven tone: do, re, mi, fa, sol, la, si ) to form an octave. But if you have carefully counted, you will find that the middle of the seven white keys only has five black keys, not six. Because “mi” and “fa” only separated by one semitone, so do not need to insert a black key.
In a standard piano on a number of 52 white keys and 36 black keys, a total of 88 keys, it is because of the existence of the black key, the piano can issue a richer sound, and for those who do not play the piano , His limited knowledge of music theory may make him more accustomed to see a notation such from 1 to 7, and for the semitone of playing is very strange. So, it is easy to make the piano sound, but quite difficult to playing well.
In any case, the piano's black keys and white keys are playing with the piano keys. The reason for this is to distinguish clear semitones and full tones. Perhaps thinking active students will ask, why the piano keys have to be black and white, not color it? In fact, black and white is easier to identify, the key and the distinction between the more obvious, and will not let the players colorful colors dizzy.
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