Half-time (music)

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Published on January 18, 2022 7:11:30 PM ● Video Link: https://www.youtube.com/watch?v=ThnJZHxMezg

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Half-time (music), by Wikipedia https://en.wikipedia.org/wiki?curid=10087789 / CC BY SA 3.0

#Jazz_techniques
#Musical_notation
#Rhythm_and_meter
#Swing_music
#Jazz_terminology
Basic time signatures: 4 4, also known as common time （）; 2 2, also known as cut time or cut-common time （）; etc.
In popular music, half-time is a type of meter and tempo that alters the rhythmic feel by essentially doubling the tempo resolution or metric division/level in comparison to common-time.
Thus, two measures of 4 4 approximate a single measure of 8 8, while a single measure of 4/4 emulates 2/2.
Half-time is not to be confused with alla breve or odd time.
Though notes usually get the same value relative to the tempo, the way the beats are divided is altered.
While much music typically has a backbeat on quarter note （crotchet） beats two and four, half time would increase the interval between backbeats to double, thus making it hit on beats three and seven,
or the third beat of each measure （count out of an 8 beat measure [bar], common practice in half time）: 1 2 3 4 1 2 3 4
1 2 3 4 5 6 7 8
1 2 3 4
Essentially, a half time 'groove' is one that expands one measure over the course of two.
The length of each note is doubled while its frequency is halved.
Rhythm pattern characteristic of much popular music including rock （Play （help·info））, quarter note （crotchet） or "regular" time: "bass drum on beats 1 and 3 and snare drum on beats 2 and 4 of the measure [bar]...add eighth notes [quavers] on the hi-hat".
Time signatures are defined by how they divide the measure （in 9 8, complex triple time, each measure is divided in three, each of which is divided into three eighth notes: 3×3=9）.
In "common" time, often considered 4 4, each level is divided in two （simple duple time: 2×2=4）.
In a common-time rock drum pattern each measure （a whole note） is divided in two by the bass drum （half note）, each half is divided in two by the snare drum （quarter no...