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Forum for Tune Smithy, Bounce Metronome and other software from Robert Inventor
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Author Topic: "Choose parts by" formula  (Read 1799 times)
unholycrab
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« on: February 16, 2013, 04:28:19 PM »

I am having trouble understanding the "Choose parts by" formula.

Is it possible to create a tune where two parts are playing notes right on top of one another?
Example: layer 1 is quarter notes, layer 2 is quarter notes... Layers 1 and 2 sound at the same time, and contain the same number of notes per measure.



Linkback: http://robertinventor.com/smf/index.php?topic=121.msg310#msg310
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Robert Walker
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« Reply #1 on: February 16, 2013, 06:35:01 PM »

Yes you can do that. You need the "Polyrhythms" feature. I have some examples under the section "Using polyrhythms feature to play 6/8 and other rhythms".

Then go to the Tune Transformations window and to "Rhythms and Polyrhythms" (Ctrl + 89). Then for example the six eight demo has the rhythm set to 6 2 1.

N.B.: checking that now - although the rhythm it plays is 6 2 1, it's actually displayed as 7 5 3, sorry about that (see note about this bug below). What it plays though is 6 2 1. If you edit those values to read 6 2 1 the tune will sound the same.

So anyway, if you edit them to some other numbers, and repeat two of the numbers say 4 4 1 then you get an example of what you have in mind.

As you will find out, I have also used "Re-arrange seed notes" to make it more interesting. If you unselect that option you just get the two parts playing the same tune in unison, but by using that and other options you can make it more interesting.

So, you can just enter a list of numbers there, also, there's a Time Signature window you can get to from that Polyrhythms window to make particular time signatures in the same style as the 6/8 rhythm.

The Choose parts by other option is useful if you want to have a more varied kind of polyphony, with the parts sometimes playing together and sometimes not - you can find examples of that in the Choose Parts by Other drop list.

The one thing the polyrhythms feature in Tune Smithy is notably missing is the ability to skip individual beats. That's something Bounce Metronome can do so will be in Tune Smithy 4.x whenever I get a chance to update it to 4.x to match Bounce Metronome, though that won't be for some time, at least a few months, most likely, for one reason or another.

Generally the easiest way to work with Tune Smithy is to start with one of the existing examples, a bit like the way that you typically explore fractals, so those polyrhythm examples should help there, but I'll fix that bug.

Does this answer your question?

NOTE ABOUT THE BUG I JUST FOUND FOR THIS EMAIL

The example tunes there are from a very early version of Tune Smithy and don't have all the information you get in more recently saved tunes, and obviously there is some bug in the way it reads very old tunes - plays them exactly the same way, but displays the polyrhythm values incorrectly in this window. I check compatibility mainly by playing old tunes to make sure they still sound the same, and obviously that wouldn't catch this bug. I've put it on my list of things to fix with the next update of FTS 3.

I am having trouble understanding the "Choose parts by" formula.

Is it possible to create a tune where two parts are playing notes right on top of one another?
Example: layer 1 is quarter notes, layer 2 is quarter notes... Layers 1 and 2 sound at the same time, and contain the same number of notes per measure.




Linkback: http://robertinventor.com/smf/index.php?topic=121.msg311#msg311
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