Rhythm & Meter
Triplets and Tuplets Explained: Dividing the Beat in Three
A triplet fits three notes into the time of two of the same value. This article covers the ratio, the counts and how triplets differ from compound meter.
Topic
Beats, subdivisions, time signatures, syncopation and hypermeter, and the difference between a cross-rhythm and a polyrhythm.
Meter, beat and subdivision are three different things, and most rhythm problems come from confusing them. These pieces cover the beat hierarchy, syncopation, hemiola, hypermeter, polyrhythm against cross-rhythm, and the honest problem of notating swing.
Try the calculation or sound, then read the assumptions in its guide.
Rhythm & Meter
A triplet fits three notes into the time of two of the same value. This article covers the ratio, the counts and how triplets differ from compound meter.
Rhythm & Meter
Work out a loop’s BPM from its trimmed duration, choose the right beat unit and calculate tempo-change ratios without confusing speed with stretch.
Rhythm & Meter
Six eighth notes per bar can group as 3+3 in 6/8 or 2+2+2 in 3/4. Accent, contour, hemiola and conducting show which grouping you are hearing.
Rhythm & Meter
Each note value is half the one above it. Whole to sixteenth notes and their rests, plus how dots, ties and beams change what you count.
Rhythm & Meter
A time signature gives beats per bar and the note value that counts as one beat. Simple meters split each beat in two, compound meters split it in three.
Rhythm & Meter
Hear 5/4 and 7/8 as beat groups, not math: counting systems, conducting, repertoire from Brubeck to Balkan dance.
Rhythm & Meter
Tied overbeats, attacked offbeats, hemiola and groove: how syncopation displaces accent and why the body keeps the score.
Rhythm & Meter
Meter is a pattern of strong and weak positions, not a time signature: how it is built, how it stretches past the bar, and where performance contradicts it.
Rhythm & Meter
Polyrhythm, cross-rhythm and polymeter are not interchangeable. Counting the ratios shows what separates a divided span from a pattern set against a metre.
Rhythm & Meter
Jazz notation asks for swing and leaves the ratio to the players, because the timing is tempo-dependent and a fixed written value would be wrong at most speeds.

The ebook
The site's working library as a structured ebook: intervals, keys, harmony, counterpoint, rhythm, form, tuning, orchestration and the history behind them.
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