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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.
Harmonics of a string showing the periods of the pure-tone harmonics (period = 1/frequency) 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 ...
Pythagorean (tonic) major chord on C ⓘ (compare ⓘ equal tempered and ⓘ just). Comparison of equal-tempered (black) and Pythagorean (green) intervals showing the relationship between frequency ratio and the intervals' values, in cents. Pythagorean tuning is a system of musical tuning in which the frequency ratios of all intervals are ...
Flat-and-a-half (sesquiflat) Lowers the pitch of a note by three quarter tones. As with a demiflat, a slashed double-flat symbol is also used. Demisharp / Half sharp Raises the pitch of a note by one quarter tone. Sharp-and-a-half (sesquisharp) Raises the pitch of a note by three quarter tones.
Contents. Seven-string guitar. The seven-string guitar adds one additional string to the more common six-string guitar, commonly used to extend the bass range (usually a low B) or also to extend the treble range. The additional string is added in one of two different ways: by increasing the width of the fingerboard such that the additional ...
Although the word "seventh" in the name suggests the seventh note in a scale, and although the seventh pitch up from the tonic is indeed used to form a harmonic seventh in a few tuning systems, the harmonic seventh is a pitch relation to the tonic, not an ordinal note position in a scale.
A heptatonic scale is a musical scale that has seven pitches, or tones, per octave. Examples include: the diatonic scale; including the major scale and its modes (notably the natural minor scale, or Aeolian mode) the melodic minor scale, like the Aeolian mode but with raised 6th and 7th ascending. the harmonic minor scale, like the Aeolian mode ...
Vibration, standing waves in a string. The fundamental and the first 5 overtones in the harmonic series. A vibration in a string is a wave. Resonance causes a vibrating string to produce a sound with constant frequency, i.e. constant pitch. If the length or tension of the string is correctly adjusted, the sound produced is a musical tone.