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Lesson 3 of 5
  • Year 11
  • AQA

Other rhythmic concepts

I can identify key rhythmic concepts, including anacrusis, polyrhythm, cross rhythms and hemiolas.

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Lesson 3 of 5
New
New
  • Year 11
  • AQA

Other rhythmic concepts

I can identify key rhythmic concepts, including anacrusis, polyrhythm, cross rhythms and hemiolas.

Copyrighted materials: to view and download resources from this lesson, you’ll need to be in the UK and

Copyrights help

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Lesson details

Key learning points

  1. Many melodies use an anacrusis to start before beat one (the downbeat).
  2. Polyrhythms include multiple rhythms that aren’t closely related playing together, creating a complex rhythmic texture.
  3. Cross rhythms create the feeling of different pulses playing simultaneously.
  4. A hemiola is used to create a brief effect of the pulse changing (by playing three notes over two beats or vice versa).
  5. Diminution and augmentation develop rhythmic ideas by proportionally shortening or lengthening notes.

Keywords

  • Downbeat - the first beat of a bar, which is usually emphasised

  • Anacrusis - a melody that begins before the downbeat

  • Polyrhythm - multiple different rhythms playing at the same time

  • Cross rhythm - a polyrhythm in which two or more of the rhythms 'conflict' and feel like they have a different pulse

  • Hemiola - when three notes are played over the duration of two or vice versa, creating the feeling of tempo change

Common misconception

Polyrhythm and cross rhythm are the same thing.

They are related, but not the same. A polyrhythm doesn't necessarily have to create different senses of pulse - it can just have different rhythms playing together. A cross rhythm has to create different senses of pulse at the same time.


To help you plan your year 11 music lesson on: Other rhythmic concepts, download all teaching resources for free and adapt to suit your pupils' needs...

The hemiola can be a complex concept to understand at this level. For the purposes of KS4-level study, emphasise that the key to a hemiola is that it creates a sense of tempo change, by playing 2 over 3 or 3 over 2. Explore some different examples with pupils if possible to embed this concept.
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