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Dotted notes and their equivalent durations. The curved lines, called ties, add the note values together. In Western musical notation, a dotted note is a note with a small dot written after it. [a] In modern practice, the first dot increases the duration of the basic note by half (the original note with an extra beam) of its original value.
Clave is a Spanish word meaning 'code,' 'key,' as in key to a mystery or puzzle, or 'keystone,' the wedge-shaped stone in the center of an arch that ties the other stones together. The rhythm also gave the name to the claves Afro-Cuban musical instrument which consists of a pair of hardwood sticks.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
It lengthens an already dotted note by half: a dotted half note (minim) consisting of 6 quarter notes becomes 9 quarters when vertically double-dotted. This greatly simplifies modern notation (which otherwise would require a dotted half note tied to a dotted quarter note).
The four dotted quarter-notes across the two bottom measures are the main beats. All key patterns are built upon four main beats. [47] [48] [49] The bottom measures on the other two examples (3 2 and 6 4) show cross-beats. Observing the dancer's steps almost always reveals the main beats of the music.
A quarter tone is a pitch halfway between the usual notes of a chromatic scale or an interval about half as wide (orally, or logarithmically) as a semitone, which itself is half a whole tone. Quarter tones divide the octave by 50 cents each, and have 24 different pitches.
As the name implies, a quarter note's duration is one quarter that of a whole note, half the length of a half note, and twice that of an eighth note. It represents one beat in a bar of 4 4 time. The term "quarter note" is a calque (loan-translation) of the German term Viertelnote.
Note that this tempo, quarter note = 126, is equal to dotted-quarter note = 84 ((= .) = (= .)). A tempo (or metric) modulation causes a change in the hierarchical relationship between the perceived beat subdivision and all potential subdivisions belonging to the new tempo.