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Adrum beat ordrum pattern is a rhythmic pattern, or repeatedrhythm establishing themeter andgroove through thepulse andsubdivision, played ondrum kits and otherpercussion instruments. As such a "beat" consists of multipledrum strokes occurring over multiplemusical beats while the term "drum beat"[1] may also refer to a single drum stroke which may occupy more or less time than the current pulse. Many drum beats define or are characteristic of specificmusic genres.
Many basic drum beats establish the pulse through alternatingbass (on theon-beats) andsnare drums (on theoff-beats) strokes while establishing the subdivision on theride cymbal (thus its name) orhi-hat:
This establishes a quarter note pulse in (quad)duple time: eachmeasure is formed from (two groups of) two quarter note pulses, each pulse divided into two eighth notes.
This establishes a quarter note pulse intriple time: each measure is formed from three quarter note pulses, each divided into two eighth notes.
This establishes a dotted-quarter note pulse in duple time: each measure is formed from two dotted-quarter note pulses, each pulse divided into three eighth notes.
Compound triple meter is equivalent to simple duple meter withtriplets on every beat.
This establishes a dotted-quarter note pulse in triple time: each measure is formed from three dotted-quarter note pulses, each pulse divided into three eighth notes.
A "fill" is played in between the regular strokes of a pattern and/or signals the end of aphrase:
Since a phrase is multiple measures long, a fill signaling the end of one would come at the end of the last in a series of repeated measures.
Indouble andhalf-time patterns the pulse and ride are either doubled or halved, respectively, occurring twice or half as often:
Ablast beat drum pattern features alldrums on the eighth note subdivision or variants with one or more drum's pattern displaced by a sixteenth note:
This resembles a combination of double-time (bass-snare pattern) and original time (ride pattern).
Despite the difference in notation, there is no difference ininteronset intervals and this pattern is nearly identical to the first simple duple pattern except for the second onbeat being divided into two eighth notes and the second backbeat being delayed an eighth note.
The heavy metalgallop, named for a horse'scanter, is based on a bass drum pattern of one eighth followed by two sixteenths.
This resembles a combination of double-time (bass-snare pattern) and original time (ride pattern).