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5:3:2:7 Polyrhythm, silent for 2 measures every 4, Just Intonation Pitches - Bounce Metronome

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Published on Aug 20, 2012

http://bouncemetronome.com One of the many rhythms you can play with Bounce Metronome. This is a video from the 4.3 release

It goes silent every few measures to help you develop your inner sense of rhythm, try to play along with one of the parts - or with two or more of them simultaneously if you can. Play exactly in time, neither ahead or behind the beat, but so that your notes merge exactly with the metronome clicks. Then the challenge is - can you keep going at the same exact tempo through the silences? Can you do so exactly in time that when the sound and bounces return, you are still dead on exactly in time with the metronome? This is quite a tough challenge when the rhythm is slow like this, especially if you try to play two (or maybe more?) parts in the polyrhythm at once.

Today I've been trying it out with the 7 and the 5 beats to the measure parts, playing one of them with my left hand and the other with my right hand. So that's a fun thing to attempt if you want a few ideas. You can then try alternating hands, play the same rhythms but with the hands reversed so the one you played with the left hand you now play with the right hand.

Also can try counting out loud as you play first count up to 7 saying each of the numbers exactly in time with the 7 beats to the measure (start of the consonant exactly in time with the click and your note), then count up to 5 exactly in time with the 5 beats to a measure as you play. All the time careful to count and play exactly in time with the clicks, and keep your other hand also in time.

It helps to follow the bounce too, to move your arms in a natural easy motion following the bounce - .there's a bit of a temptation probably to hold the hand still and then just hit the beat at the moment it needs to be done, but it's probably better to move the hands in a steady flowing motion, which will also speed up better.

ABOUT THE PITCHES PLAYED

The pitches played are 5/3, 3/2, 2/1, 1/2 (and 1/4 for the measure beat) where those numbers are multiples of the base frequency used (here concert pitch middle C) for instance. 5/3 means 5/3 times the base frequency (1/1).

You can assign any pitch to any of the parts in Bounce Metronome, just tried these while debugging it yesterday and thought it sounded nice like this so that's why I uploaded it.

5/3 is the just intonation version of a major sixth, and 3/2 is the just intonation version of a pure fifth, while 2/1 is an octave, and 1/2, and 1/4 mean down by one or two octaves.

The shimmering beating sound you hear is the result of the 3/2 played simultaneously with the 5/3 - at an interval of a 10/9 apart from each other, a just intonation whole tone apart (one of the five limit just intonation whole tone tunings, the other is 9/8).

Get the latest Bounce from http://bouncemetronome.com

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