More Polyrhythms - Music Theory Crash Course

There are many different ways to look at polyrhythms in music and today we are looking at a different one, using star shapes. Last time we visualized these rhythms using straight sided polygons but I had a great comment on the last video that suggested using a star shape. So after many hours of making the new animations here are the more common polyrhythms you will find in music visualized using star shapes. This is an exercise in visualizing musician not a method for teaching polyrhythms. I hope you enjoy!

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[oenwilson]

That 1:2:3:4:5:6:7:9:11:13:17 polyrhythm could've sounded awesome if you chose notes that harmonized well with it but great video nonetheless

[neopessimist]

Its quite interesting how you can hear the rythmn go almost go to unclear noise. Like a toddler that over enthausiastic rings the doorbell.

[mmm-tacos]

i want to see that 1:2:3:4:5:6:7:9:11:13:17 polyrythm:
1. with just the dots
2. using the harmonic series as the notes

[gvmrpg]

I've been playing drums for 16 years and for the first time in my life I managed to REALLY visualize what a 6:7 is actually doing in the background. Seeing it was so much easier than just clapping to the beat. Thank you for this!

[netric]

I like how the ending sounded like someone playing random keys, laying their whole arm on the keyboard, playing random notes again, and repeating.

[seanofpeace]

I love how the sound of all the combined polyrhythms take a little 'breath' on the beat (at the bottom of the circle).

Great video! Thank you!

[tamarpeer]

You can also visualize x:y polyrhythms using an y:x billiard table with a ball that starts with 45 degrees. The reason it works is that reflection (the way the ball bounces off the wall) is the same as if your replicated the rectangle across the plane, and looked when the equation x=y hit the walls. It hits a vertical wall every y seconds, and a horizontal wall every x seconds.

[tristanhmusic]

I think the stars are really effective, visually!

[jaybonn]

I think there's a metaphor for the tritone being the most dominant sound in a cacophony of noise.

[ferudunatakan]

5:2 is the best of di-rhythms. Because more points makes it so strident and fast. Others like 2:3 and 3:4 are simple ratios.

[Rarok]

6:00 The fact you chose the tritone of all things on this exact polyrhythm

[lorenzoreesor]

Each number in the sequence is the sum of the two numbers that precede it. So, the sequence goes: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, and so on. The mathematical equation describing it is Xn+2= Xn+1 + Xn

[komander]

7:47 the last visualisation was a bit messed up, becasue there were many different stars hitting at the same spots. It would be super interesting to hear how prime-numbered stars would sound like. Great work tho, keep it up

[viviwu]

17 is so ridiculous it’s so hard to see and I love that!

[Mikeinator_]

I love how once the 1:2:3:4:5:6:7:9:11:13:17 polyrhythm is fully assembled it sounds like a pianist have a seizure while periodically having moments of clarity.

[lmilli]

This reminds me of watching someone else's turn signal swap from in phase to out of phase with my own.

[piacomispl]

The more complex the polirythm the more it sounds like a jackpot

[superactinide]

love this, but it would be so much cooler if the notes matched the interval ratios of their polyrhythm

[Isaac-]

5:56 "9 against 11 sounds like this" *Airplane crash sounds*

[guiltfilterrecords]

Great video, have been struggling to understand polyrthyms, I am self taught musician and this is the best video, thanks so much dude!