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From 1927 and forward the recognized definition of "Counter Rhythm [53]" is "A subordinate rhythm acting as a counterbalance to the main rhythm" (OED [53]). Counter Rhythm is not a common word or phrase in the English Language, appearing approximately 0.01 times per million words in modern written English.
A circadian rhythm (/ s ər ˈ k eɪ d i ə n /), or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Circadian rhythms can refer to any process that originates within an organism (i.e., endogenous ) and responds to the environment (is entrained by the environment).
Beats are related to and distinguished from pulse, rhythm (grouping), and meter: Meter is the measurement of the number of pulses between more or less regularly recurring accents. Therefore, in order for meter to exist, some of the pulses in a series must be accented—marked for consciousness—relative to others.
Harmonic rhythm may be described as strong or weak. According to William Russo harmonic rhythm is, "the duration of each different chord...in a succession of chords." [3] According to Joseph Swain (2002 p. 4) harmonic rhythm, "is simply that perception of rhythm that depends on changes in aspects of harmony."
Slash notation in 4/4 with a slash on each beat under a i7 iv7-V7 chord progression in B ♭ minor. Slash notation is a form of purposefully vague musical notation which indicates or requires that an accompaniment player or players improvise their own rhythm pattern or comp according to the chord symbol given above the staff.
A sinus rhythm is any cardiac rhythm in which depolarisation of the cardiac muscle begins at the sinus node. [1] It is necessary, but not sufficient, for normal electrical activity within the heart. [2] On the electrocardiogram (ECG), a sinus rhythm is characterised by the presence of P waves that are normal in morphology. [2]
Meyer lists melody, rhythm, timbre, harmony, "and the like" [12] as principal elements of music, while Narmour lists melody, harmony, rhythm, dynamics, tessitura, timbre, tempo, meter, texture, "and perhaps others". [13] According to McClellan, two things should be considered, the quality or state of an element and its change over time. [14]
In music, the terms additive and divisive are used to distinguish two types of both rhythm and meter: . A divisive (or, alternately, multiplicative) rhythm is a rhythm in which a larger period of time is divided into smaller rhythmic units or, conversely, some integer unit is regularly multiplied into larger, equal units.