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Here’s a tutorial to help you make microtonal music in Ableton Live. We’re going to mod Ableton Live’s piano roll to play 22-tone equal temperament (aka 22-edo). You can apply this technique to other piano roll designs, with some limitations discussed later. Abletonalists unite!
First I should provide some context as to why this tutorial will be so useful. Check out this mindblowing M-Audio Keystation 88 with the keys rearranged to play 22-edo. It was a little project of William Lynch‘s a few months ago.
This keyboard layout is Steve Rezsutek’s design as discussed in Paul Erlich’s paper Tuning, Tonality, and Twenty-Two-Tone Temperament.
There are gaps between some white keys because white keys actually come in different shapes and sizes, making things look a little messy when rearranged. You also need extra black keys to make this work, so you can see a few missing at the upper end of the keyboard. Spare keys can be found on second-hand broken keyboards or bought as replacement from the manufacturer. Soon we’ll be able to 3D print each key for any given piano roll layout (this could be a great project for a music technology student). Obviously this is all very DIY, but at this point in time nobody is mass producing microtonal instruments. Everybody in the microtonal scene right now hacks and invents their own unique stuff.
Truth be told, I’m planning to use some of my Rhythm and Xen album sales to buy a new keyboard and make one of these for myself.
The goal of this tutorial is to recreate Rezsutek’s keyboard layout in the Ableton Live piano roll. Erlich suggests to remove all the E notes, so that you have something that looks like below:
Not only will this tutorial show you how to make a dope 22-note piano roll like above, but you’ll also be able to actually HEAR and PLAY music in this novel tuning system. It’s a beautiful system that includes such wonderful intervals as the subminor third, the 7th and 11th harmonics, and near-quartertones, plus a variety of rich chords, progressions and comma pumps.
This technique isn’t specific to 22-edo; you can adapt the method for other tunings too.
To make this happen, we will be using the piano roll ‘Fold’ function, as well as taking a few other steps to make everything sound correct.
This is the easiest part, and you might know this trick already if you’re knowledgeable with Ableton Live. We will create a MIDI clip that has one massive chord containing every note except for all the Es. Then we will enable Fold so that the Es disappear from the piano roll. So let’s look at it step by step:
Create yourself a new MIDI clip and make sure that Fold is disabled. Then start building up a chord containing all the notes except for the Es:
It’s easiest to work up from the bottom. Once you have made one octave you can copy and paste to fill in the rest of the notes.
Once you have added all the notes from C-2 to G8 you can move the whole chord to the left, so that it is outside of the range of the clip. This way, you won’t hear an almighty cluster of pain when you play the clip.
Ctrl+A to select all the notes in the chord, then tap 0 to disable all the notes. This will protect you from hearing these notes if you have MIDI Editor Preview enabled.
Then click on the Fold button to enable it. All of the Es will disappear from the piano roll.
Just ignore the note names (C4, C#4 etc.) because they don’t have any relation to 22-edo.
Now we have our custom piano roll layout set up in Ableton Live, but that doesn’t mean that the notes will play a 22-edo scale. You can’t just drop Operator on to the MIDI track and expect everything to be tuned to 22-edo automatically. At this point, you should make sure that you have some kind of MIDI instrument or VST/AU plugin that supports microtonal scales.
I will use Scala to design a tuning file with 24 notes in total. Each note will be tuned to a note from 22-edo, and 2 of the notes will be duplicates that fill in the missing Es.
First we type ‘equal 22’ into scala and hit enter. This generates the scale. Then we click on ‘Edit’ to see all of the notes that were generated. By Scala tuning standards, 1/1 will fall on middle C at ~261 Hz unless a keyboard mapping is specified. So we can assume 1/1 is C, and therefore the notes 218.18182 and 818.18182 should be duplicated to fill in the missing Es.
You can just select 218.18182 and 818.18182, then Ctrl+C and Ctrl+V to duplicate them. Finally, click on the ‘Ascending’ button to make sure that all the pitches are in the correct order. Click OK when done, and save your progress.
Or if you’re too lazy for all of this, save the below text as a .scl file:
! 22-edo-no-Es.scl ! 22-EDO with no Es 24 ! 54.54545 109.09091 163.63636 218.18182 218.18182 272.72727 327.27273 381.81818 436.36364 490.90909 545.45455 600.00000 654.54545 709.09091 763.63636 818.18182 818.18182 872.72727 927.27273 981.81818 1036.36364 1090.90909 1145.45455 2/1
All that’s left is to export this scale for the synth you’re using. You can read your synth’s manual to determine which format of tuning file it needs. Then export the correct format file using Scala. Watch my YouTube video tutorial below to find out how to export various kinds of microtonal tuning files with Scala.
Head back to Ableton Live as quick as possible, then drop an awesome VST instrument on to the MIDI channel you used earlier. Load the tuning file you created into the VST, then jammmmmm. The setup is finished, so start writing!
Remember that octave transpose works differently now because your scale actually spans (what Live thinks of as) 2 octaves:
Ctrl+↑ to move a note up by a tritone.
Ctrl+↑↑ to move a note up by an octave.
Ctrl+↓ to move a note down by a tritone.
Ctrl+↓↓ to move a note down by an octave.
Make sure to read Paul Erlich’s paper Tuning, Tonality, and Twenty-Two-Tone Temperament for more insight into the musical possibilities of this scale.
Update: I made an example project with one MIDI clip already set up for you. In the project folder you’ll also find tuning files in 3 different formats.
I suspect that the Fold method will work easily for any scale less than 12 notes. It will also work for any even-numbered scale with 12 to 24 notes in total, as long as the pattern of white and black notes repeats every 12 MIDI notes. This is because the “octave transpose” function (Ctrl+↑ or Ctrl+↓) in Ableton Live’s piano roll transposes by 12 notes and ignores folding. So an asymmetric piano roll layout will be broken by octave transposition.
There’s a long list of 22-tone music on the Xenharmonic Wiki. And here’s a song I created in 22-tone equal temperament back in 2010:
Xen-Arts have recently made available a pack of microtonal tunings that you can download and use in your projects. Various formats are included, so all you need is a VST instrument that supports .scl Scala files, AnaMark TUN files or MIDI tuning dumps.
The pack includes equal scales, harmonic scales, subharmonic scales, and three of Wendy Carlos’ non-octave temperaments.
This resource is a good alternative to the whopping 4000+ Scala file database that leaves many beginners paralysed for choice. The Xen-Arts’ pack provides text documentation to help you understand the tunings included. As such, I believe it’s a good resource to get you started.
Some time ago, I also produced some starter packs of microtuning files. Using these in addition to the new Xen-Arts pack will keep you busy for several months at least. By that time, you should be crafting unique microtonal scales of your own.
I have covered this topic before on my blog, but I thought I could do better and make a short video tutorial.
When you’re designing musical tunings in Scala, you might eventually want to export your tuning to use it in a synthesizer. Synthesizers support various tuning file formats, so you’ll need to know how to make a few different kinds. This video shows you how to export Scala files (.scl), export AnaMark tuning files (.tun), and export MIDI Tuning Standard dumps (.mid). Right at the end of the video you’ll also find out how to retune other synths like the Yamaha DX7ii.
This is my first video tutorial, showing how to design a distorted bass sound using FM synthesis in Xen-Arts’ FMTS 2 VSTi.
FMTS 2 is a freeware VST instrument for Windows which allows you to play microtonal scales. It’s developed by Xen-Arts. The FM operators can themselves be tuned to microtuning-related frequency relationships, so that the timbre has a sort of spectral microtuning within it. Quite mindblowing stuff and seriously underrated.
Download Xen-Arts FMTS 2– http://xen-arts.net/xen-fmts-2/
The tutorial just demonstrates a basic workflow, and it’s possible to go way deeper with this synth. If there is any interest in further videos like this, best to leave a comment below or on the YouTube video itself.
I’ve written before about how DAWs don’t often allow a custom piano roll designed for microtonal musicians. If you’re using a scale with more or less than 12 notes, then the piano roll doesn’t match up with what you hear from the synth. As an Ableton Live user, I wanted to know what workarounds I could use right NOW in order to make composing microtonal music a little easier.
My goal: display custom note names for every note on the piano roll!
Using a Drum Rack, it’s possible to change the note names displayed in the piano roll. Load up one of my sample Drum Racks (download here) and add it to an empty MIDI track. Create a MIDI clip on that track and make sure that ‘Fold’ is enabled on the piano roll. You should see something like below:
The example above shows a 9-note scale using the letters A B C D E F G H J.
Then, you must load your instrument on a new MIDI track, and connect the MIDI input of that track to the Drum Rack track (pre FX).
Once this routing is set up, you can compose in the piano roll of the Drum Rack track. The note names here can be a useful guide when you’re composing with microtonal scales.
Making these Drum Racks is time consuming because you have to name all 128 notes individually. I have done the hard work for you and made a pack of Drum Rack presets that you can drop into your project. Each one assumes that MIDI note 60 is middle C (this is the default for Scala keyboard mappings).
5 note scale: C, D, E, A, B
6 note scale: C, D, E, F, A, B
7 note scale: C, D, E, F, G, A, B
8 note scale: C, D, E, F, G, H, A, B
9 note scale: C, D, E, F, G, H, J, A, B
10 note scale: C, C#, D, D#, E, E#, A, A#, B, B#
11 note scale: C, C#, D, D#, E, F, G, G#, A, A#, B
12 note scale: lol
13 note scale: C, C#, D, D#, E, F, F#, G, G#, A, A#, B, B#
14 note scale: C, C#, D, D#, E, E#, F, F#, G, G#, A, A#, B, B#
17 note scale: C, Db, C#, D, Eb, D#, E, F, Gb, F#, G, Ab, G#, A, Bb, A#, B
19 note scale: C, C#, Db, D, D#, Eb, E, E#, F, F#, Gb, G, G#, Ab, A, A#, Bb, B, B#
22 note scale: C, C#, D, D#, E, E#, F, F#, G, G#, Hb, H, H#, J, J#, K, K#, A, A#, B, B#, Cb
The note names that I chose for some of the mappings are somewhat arbitrary. But there is some method to the madness.
The note names for the 5 note through to the 9 note mappings just assign a unique letter for each note. The 10 note mapping has 5 naturals and 5 sharps. The 11 note mapping is similar to the standard 12 note mapping, without F#. The 13 note mapping is similar to the standard 12 note mapping, but B# is added. The 14 note mapping uses 7 naturals and 7 sharps.
The 17 note mapping is based on a circle of fifths. C# is actually higher than Db because the fifth is tuned sharp (i.e. it’s a superpythagorean tuning).
The 19 note mapping is also based on a circle of fifths.
The 22 note mapping is designed for 22-EDO, so that the naturals give you a symmetrical decatonic scale such as those described in Paul Erlich’s paper Tuning, Tonality, and 22-Tone Temperament.
There seems to be a performance drop if you have too many of these Drum Racks active. I’m using a 4 year old laptop, and editing the Drum Racks become tedious once there were about 4 of them active.
But the main problem is that you can’t change the colour of the notes, so you’re still stuck with the 7-white 5-black Halberstadt layout. Try to look at the note names and ignore the note colours.
It would be a great help if Ableton would implement some kind of key colour mapping feature in the Live’s piano roll. The only way this could happen is for users to actively ask for it. You should go and make the feature request now at Ableton’s forums and beta website.
Just wanted to share a super simple Ableton Live effects rack. Despite its simplicity, this is the rack I use the most (in fact it’s my default rack preset). It’s a stereo pan. Download it.
You see, Ableton Live strangely omits stereo panning while other DAWs such as Logic Pro and Pro Tools sensibly include it.
That thing that looks like a pan pot on the channel strip? Yeah that’s a balance control. It doesn’t actually let you manipulate a stereo signal, it just makes the left or right channel quieter. Stereo panning is different; it allows you to pan the left and right channel independently to any part of the stereo image.
I use this effects rack to tightly control the stereo image of my tracks and busses. And I never use Live’s balance control unless it’s on a mono track.
If you’re interested, check out some of my sounds.
Sleep Deprived Cooked Alive is a drum & bass track from my album Rhythm and Xen. It’s written in 14-EDO (a microtonal tuning). It’s definitely one of the more popular tracks, so I’ve decided to release the remix stems for free.
The pack includes audio stems, MIDI parts and tuning files to help you tune your synthesizers to 14-EDO. Refer to your synth’s manual to see if it supports these files. This should be enough to get a good remix going, or just to study my work if you’re learning microtonal music.
If you make anything with these stems then let me know! I would love to check it out.
Sleep Deprived Cooked Alive (stems pack) by Sevish is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at https://sevish.bandcamp.com/track/sleep-deprived-cooked-alive.
IVOR is a free software synthesizer that allows you to compose and perform microtonal music. It has just seen a major update to version 2, making it more versatile and powerful than ever. It is a virtual analog synth that includes frequency modulation, ring modulation, pulse-width modulation, saturation, filters and various features specific to microtonal and spectral music.
The biggest change is the MOD-GEN section which allows deep control of various synth parameters with envelope generators, LFOs and AROs (audio rate oscillators).
Those AROs are especially important, as they allow the introduction of additional sideband spectra to the signal which give a more dense forestry of partials to your sound. This right here is a key aspect of designing sounds in IVOR2. There are several of these AROs at various parts of the signal chain for you to experiment with.
The AROs can be tuned to microtuning-related intervals. This introduces tuning-related sidebands into the signal. There are over 100 partial sets to choose from, and you can load up your own via text file import. This is especially powerful for the creation of inharmonic or quasi-harmonic timbres that are matched to inharmonic or quasi-harmonic tunings, in such a way that sensory dissonance (timbral dissonance) can be reduced for extremely exotic scales.
Or you can just keep it to the harmonic series and play 12-tet music like a traditional synth. It’s good at that too.
But let’s stick with microtonality for a moment. You can tune IVOR2 to whatever tuning system you want. Equal tempered and just intonation tunings are possible, as are non-octave and stretched-octave scales. Totally arbitrary, irregular, historical and traditional scales are all possible too. There are no limits here, and you will be rewarded greatly for stepping outside of your comfort zone.
IVOR2 is very light on the CPU, just like its predecessor. I can run a whole bunch of instances of IVOR2 in real-time with my 3 year old laptop.
It is a quirky synth with its own characteristic sound. Yes it can do a lot of classic sounds too, but its unique aspects make it capable of so much more.
Make sure you read the manual and play through all the factory presets (I designed a bunch of them myself) so that you can get a sense of what is possible with IVOR2.
I was reading some of Ivor Darreg’s writings and a really interesting idea jumped out.
“Try this: Move the bridge down until the 13th (instead of the 12th) fret sounds the octave of the open string. This will give an approximation of the 13-tone equal temperament.”
Here’s how it works. If you have a guitar with a movable bridge, then you can move it down such that the 13th fret gives you a perfect octave. This gives you a 13 tone scale to play on your guitar!
While its approximation to 13-edo is far from perfect (you’d need to completely move the frets for that) this should offer plenty of new tonal resources to the experimenting microtonal guitarist. Compared to 13-edo, the error is largest in the middle of the scale.
You can reverse this and push the bridge up such that the octave lies on the 11th fret, giving you a brand new 11-tone scale to experiment with. Again, it poorly approximates 11-edo but don’t worry about that, there are plenty of new sounds available through this method.
The idea can be pushed further:
“I fretted a guitar to 18-tone (Busoni’s proposed third-tones) and can use this guitar as a 17 or a 19 without the theoretical errors from moving the bridge spoiling any performances. So you can have three systems for the price of one.”
This really is “one weird trick that luthiers don’t want you to know!” Bwaha… ok I’ll see myself out the door.
For something a little different, check out 9 Alternative Tunings NOT for Guitar.
32 ambient and atmospheric patches for the FMTS2 virtual synthesizer.
The sounds included range from textures—to dense, pulsating polyrhythmic pads—to tuned percussion. Some patches have that characteristic FM yummy sound, and others try to avoid that. I created this bank for my own education and enjoyment a few months back, and it’s been buried on a dark corner of my website for a while.