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Rhythm in music is characterized by a repeating sequence of stressed and unstressed beats (often called "strong" and "weak") and divided into bars organized by time signature and tempo indications. Beats are related to and distinguished from pulse, rhythm (grouping), and meter:
For example, a tempo of 60 beats per minute signifies one beat per second, while a tempo of 120 beats per minute is twice as rapid, signifying two beats every second. The note value of a beat will typically be that indicated by the denominator of the time signature. For instance, in 4 4 time, the beat will be a crotchet, or quarter note.
Thus a passage in common time with a stream of sixteenth notes and chord changes every measure has a slow harmonic rhythm and a fast surface or "musical" rhythm (16 notes per chord change), while a piece with a trickle of half notes and chord changes twice a measure has a fast harmonic rhythm and a slow surface rhythm (1 note per chord change ...
One difficulty in defining rhythm is the dependence of its perception on tempo, and, conversely, the dependence of tempo perception on rhythm. Furthermore, the rhythm–tempo interaction is context dependent, as explained by Andranik Tangian using an example of the leading rhythm of "Promenade" from Moussorgsky's Pictures at an Exhibition:([40 ...
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. Benadon has explored some compositional uses of tempo modulations, such as tempo networks and beat subdivision spaces.
Clear quarter note pulse in 4 4 at a tempo of =120 Play ⓘ.At =600 the pulse becomes a drone Play ⓘ, while at =30 the pulse becomes disconnected sounds Play ⓘ.. While ideal pulses are identical, when pulses are variously accented, this produces two- or three-pulse pulse groups such as strong–weak and strong–weak–weak [4] and any longer group may be broken into such groups of two and ...
The "t" consonant always falls on the main beat and beat division, and the "k" consonant is always when the beat divides again. Alternating "t" and "k" in quick succession is easy to say, as they fall on two different parts of the tongue, making it very easy to say these syllables at a fast tempo (much like tonguing on recorder or flute).
Jazz often features a prominent rhythm section, typically consisting of at least drums and bass, and sometimes a comping instrument such as piano or guitar.. A rhythm section is a group of musicians within a music ensemble or band that provides the underlying rhythm, harmony and pulse of the accompaniment, providing a rhythmic and harmonic reference and "beat" for the rest of the band.