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The particular keys that were split were those that play the sharps and flats on the standard musical keyboard (the "black keys" on a modern piano). Split sharp. A sharp key divided or 'split' into two parts: the front part is about one third the length of the whole. Usually the back part is set slightly higher to facilitate playing.
Some keys (such as C ♯ major with seven sharps) may be written as an enharmonically equivalent key (D ♭ major with five flats in this case). In rare cases, the sharp keys may be extended further, G ♯ → D ♯ → A ♯ → E ♯ → B ♯ → F → C, requiring double sharps in the key signature: F, C, G, D, A, E, B.
Here, E played C, the front half of the F ♯ key played D, and the (less accessible) rear half played F ♯. The front half of the G ♯ key played E, and the rear half played G ♯. As with the short octave, the key labeled E played the lowest note C. Thus, playing the nominal sequence E F ♯ (front) G ♯ (front) F F ♯ (back) G G ♯ (back) A
The design of the key action mechanism determines the "weight" of the keys, i.e., the force required to sound a note; [2] [3] [4]: 91 that is, the feeling of the heaviness of the touch of the keys. [ need quotation to verify ] "A professional pianist is likely to care most about the piano's action, because that is what controls its ...
In most cases, a sharp raises the pitch of a note one semitone while a flat lowers it one semitone. A natural is used to cancel the effect of a flat or sharp. This system of accidentals operates in conjunction with the key signature, whose effect continues throughout an entire piece, or until another key signature is indicated. An accidental ...
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.
In the key of C major, these would be: D minor, E minor, F major, G major, A minor, and C minor. Despite being three sharps or flats away from the original key in the circle of fifths, parallel keys are also considered as closely related keys as the tonal center is the same, and this makes this key have an affinity with the original key.
In the music notation program Lilypond, naturals are used at a key signature change to cancel a flat or sharp from the previous key signature, but are not shown when the flat or sharp changes to double flat or double sharp. The following shows key changes from A flat major to F flat major to G flat major in Lilypond.