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Forum for Tune Smithy, Bounce Metronome and other software from Robert Inventor
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 on: September 16, 2011, 12:30:23 PM 
Started by vaisvil - Last post by vaisvil

This is an improvisation I did live on ustream in Bohlen-Pierce 13 notes to an octave+ fifth (called the tritave) - but the audio quality was horrific - fortunately I had recorded everything in Sonar so I used Sony Vegas to make this into something listenable.   Since the frame rate was messed up (you can see the errors flash by) aligning this to the actual  sound after conversion was pretty much impossible. The sound was generated mostly by a Roland GR-20 played with Fender Mustang guitar retuned "on the fly" with Fractal Tune Smithy"

 on: September 03, 2011, 11:48:32 AM 
Started by vaisvil - Last post by vaisvil

This is a composition for Jazz Quartet – Tenor Sax (sorry for the unrealistic stray notes), fretless bass, piano, and drums. All but the drums were preformed on my Fender Mustang + GR-20 retuned on the fly by Fractal Tune Smithy.

The tuning used is 9/8 C.I. comprised of 11:10:9:8 subharmonic series on 1 and 8:9:10:11 on 16/11 or explicitly:
17/16~ 9/8~ 19/16~ 29/23~ 4/3~ 17/12~ 3/2~ 19/12~ 37/22~ 16/9~ 17/9~ 2/1

online play
and download here:

 on: August 21, 2011, 05:04:07 PM 
Started by Robert Walker - Last post by Robert Walker
Disabled again. Had about half a dozen new members since enabling, majority of those spam, and the remaining ones users who spend 0 minutes on-line so most probably spam that didn't work for some reason.

That's with anti-spam verification procedures enabled and set at high settings.

So - back to hand registering anyone who wants to join, sorry.


 on: August 17, 2011, 02:40:01 AM 
Started by Robert Walker - Last post by Robert Walker
Registration re-enabled

Will see if this solves it.

 on: June 27, 2011, 05:04:08 PM 
Started by Robert Walker - Last post by Robert Walker
Great, glad it helped, Chris.

I plan to do more of these. Anything particular you can think of which would be good to do something about?

BTW for anyone reading this who needs a bit more help with the details of how to set it up, I've put it up in the wiki too, with an extra tutorial with step by step screenshots for anyone who needs them.

Step by step how to connect Sibelius and Tune Smithy

How to Retune a Score with Tune Smithy - Tutorial for Sibelius - Retuned to 7 Eq - same as this page

 on: June 27, 2011, 03:55:51 PM 
Started by Robert Walker - Last post by vaisvil
thanks for this Robert!

 on: June 15, 2011, 01:12:49 AM 
Started by Robert Walker - Last post by Robert Walker
How to Retune a Score with Tune Smithy - Tutorial for Sibelius - Retuned to 7 Equal

You will probably want to watch it full-screen - click on icon at bottom right of video - as it was recorded at a high resolution.

More about it:

This is the easy way to compose microtonally. It's the "scordatura score" method. You use a normal score and your usual notation software - and retune any of the notes of your score to anything you like.

This is similar to the way strings in a string instrument are retuned to play a scordatura score e.g. top string retuned from A to G to play the Bach Cello  Suite number 6 - because of the retuning of the string, the note played is a G - but it is notated on the score for the Cello suite as an A (see and

This approach lets you use all the amazing capabilities of your notation software to compose microtonally. Also you end up with a score which a classically trained keyboard player can sight read and play immediately on a keyboard retuned in the same way (you can use Tune Smithy to retune a midi keyboard just as you use it to retune the score).

There is no need to be familiar with the tuning to play a retuned keyboard + scordatura score..

Get Tune Smithy from and you can get loopbe1 to connect the score to Tune Smithy from

For small scales with not too many notes per octave, then the simplest approach is to use just the "white notes" of the score. Forget the usual way of interpreting the score, and think of the lines and spaces as consecutive notes of your scale whatever it is.

This demo shows the process for seven equal - a good starting point because
the notes are not too far in pitch from the 12-equal score notes. So familiar - yet unfamiliar as well.

The demo briefly touches on use of a five tone scale in the same way, with a Japanese Koto and a Slendro scale as examples.


7 equal is a seven tone scale but instead of the familiar mix of tones and semitones, it has all the steps the same, in-between the familiar tone and semitone in size. Near seven equal tunings are used in Thailand and also for the Chopi tunings in Africa.

In 7 equal the fifth is a dissonance, a bit like a dominant seventh in feel perhaps. The consonance, roughly equivalent to the usual triad, is the diad, a neutral third at 11/9.

And basically if you play alternate scale degrees, you find that the whole scale is just one big chord, a diminished seventh type feel to it.

Since all steps are equal then you can take any tune or chord and transpose it where you like and it will sound the same.

At least - that's my take on it - try for yourself, maybe you will find another way of looking at it.

That's one of the great things about microtonal music. The possibilities are so vast and you can start where you like and make your own explorations.

For more about it and to have a listen to my complete 7 equal trio see

For larger scales with many notes to an octave you would use the black notes as well, and for the very largest scales you would use several octaves of the score to play one octave of the tuning. You can do non octave scales as well in the same way, e.g. the Bohlen Pierce scale repeating at 3/1 (octave + fifth). I'll do some more demos showing some of these.

Get Tune Smithy from:

 on: May 21, 2011, 01:18:32 AM 
Started by Robert Walker - Last post by Robert Walker
Sorry again.

Spammers still making profiles - hadn't realised you can make a profile before your membership is approved.

If you want to join the forum please send an email to and I'll register you by hand.


 on: May 20, 2011, 04:55:17 PM 
Started by Robert Walker - Last post by Robert Walker
Most of them just join in order to create a member profile and add spammy links to the profile signature (but then never post).

Pointless really as the member profiles on this forum are hidden from the public so can't be seen by the search engines. And that must be the only reason they create them as the links in them have no connection with the forum topics at all, so not at all likely to interest other members, who probably don't look at profiles of non posting members anyway.

May be automated bots. But I rather suspect the latest ones may be cheap human labour, probably using automated form filling tools - as the recent ones have managed to get through all the anti-bot tests. If that's what it is then not much I can do about it, and none of the anti-bot or anti-spam tests will work, and don't want to have to spend half an hour or so every day deleting the profiles.


Will approve you as soon as I can, usually within a day or two but sometimes may be off-line for several days.


 on: May 20, 2011, 04:08:14 PM 
Started by Robert Walker - Last post by Robert Walker
Sorry been getting so many spam registrations, often many a day. So have had to make membership by approval only.

Hopefully that will work!

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