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In music, sharp – eqv. dièse (from French) or diesis (from Greek δίεσις) [a] – means higher in pitch. The sharp symbol, ♯, indicates that the note to which the symbol is applied is played one semitone higher. The opposite of sharp is flat, indicating a lowering of pitch.
Sharp The sharp symbol raises the pitch of a note by one semitone. Natural A natural cancels a sharp or flat. This sharp or flat may have been indicated as an accidental or defined by the key signature. Double flat A double flat lowers the pitch of a note by two semitones. Double sharp A double sharp raises the pitch of a note by two semitones.
A sharp raises a note's pitch by a semitone and a flat lowers it by a semitone. Double flats ( ) or sharps ( ) may also be used, which alter the unmodified note by two semitones. If a note with an accidental is tied , the accidental continues to apply, even if the note it is tied to is in the next measure.
Notes that do not meet that criterion are called chromatic notes or accidentals. Accidental symbols visually communicate a modification of a note's pitch from its tonal context. Most commonly, [note 2] the sharp symbol (♯) raises a note by a half step, while the flat symbol (♭) lowers a note by a half step.
A ♯ (A-sharp; French: la dièse) is the eleventh semitone of the solfège. This note lies a chromatic semitone above A and a diatonic semitone below B, thus being enharmonic to B ♭ (French: si bémol). When calculated in equal temperament with a reference of A above middle C as 440 Hz, the frequency of the A ♯ above middle C is ...
A piece in a major key might modulate up a fifth to the dominant (a common occurrence in Western music), resulting in a new key signature with an additional sharp. If the original key was C-sharp, such a modulation would lead to the theoretical key of G-sharp major (with eight sharps) requiring an F in place of the F ♯. This section could be ...
Pitch is a perceptual property that allows sounds to be ordered on a frequency-related scale, [1] or more commonly, pitch is the quality that makes it possible to judge sounds as "higher" and "lower" in the sense associated with musical melodies. [2] Pitch is a major auditory attribute of musical tones, along with duration, loudness, and timbre ...
Tuning is the process of adjusting the pitch of one or many tones from musical instruments to establish typical intervals between these tones. Tuning is usually based on a fixed reference, such as A = 440 Hz. The term "out of tune" refers to a pitch/tone that is either too high or too low in relation to a given reference pitch. While an ...