User:Hkm/Intro page

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This page might replace Xenharmonic Wiki:Introduction, but the pages do have separate purposes. A better fit is likely Intro to Xenharmonics.

If you’ve recently heard about xenharmonic music (or “xen”, or “microtonal”, which means roughly the same thing) and want to learn more about it, this is the place to start. “Xenharmonic music” (or “xen music”) is music that sounds like it was tuned differently than most Western music. (Xenharmonic music is entirely separate from the 432Hz movement.)

Xenharmonic music usually sounds “off” to most listeners at first. This subsides eventually, and most people gradually find that xenharmonic music sounds more expressive and varied than music in 12edo.

Here’s what you can find on this page—read the section that is most relevant to you.

How do I find xenharmonic music to listen to?

Finding works you like by genre

Here’s a list of xenharmonic music by genre. For a list of more works, see User:Hkm/Rankings.

Classical

Juhani Nuorvala: Violin Sonata (22edo).
One of the most beautiful classical works I’ve heard

Wendy Carlos: beauty in the beast (various systems).
A classic, although hard to find since Carlos hasn’t put it on streaming services. Unauthorized versions seem to drift on and off from public sites.

Easley Blackwood: microtonal etudes (various systems). Highlights: 16edo, 20edo, 15edo, 24edo.
Another classic. There are two versions; one (Blackwood’s original) is entirely synth-based; the other (the version edited by Matthew Sheeran) is produced through Melodyne on a small orchestra. Both are worth a listen.

Ben Johnston: String Quartet 10 (just intonation link somewhere down this page)
Another classic by one of the most well-known just intonation composers.

Fabio Costa: aphoristic madrigal (31edo).
If you’re interested in xenharmonic music for the weird harmonies, you’ll love this work.

Anything by Zheanna Erose (mostly 31edo).
One of the popularizers of 31edo.

Tapeworm Saga: Languor Study (26edo).
An impressive application of a strange tuning.

Rock

Anything by Brendan Byrnes. (22 or 27edo)

EDM

Anything by Sevish (various systems)

Idiosyncratic styles influenced by video game music

DotuXil: Collected refractions.

Groundfault: A New Dusk.
30 minutes of pure insanity.

Anything by JUMBLE.
Relaxing, vaguely ambient, music

Covers

Anything by Stephen Weigel

How do I make music?

Xenharmonic music is more interesting to make than music in 12edo because there are significant amounts of unexplored territory. (No one’s written a metal song in 18edo, for example.) Some xenharmonic tunings are also easier to work with than 12edo (although most are more difficult).

Good tunings to start with

You can play around with tunings in Scale Workshop before you use them. Larger tunings are more difficult to work with. You might have read that some tuning system is optimal in some way; such claims mean very little and usually come attached to tuning systems that are too unwieldy (>24 notes) to start with. If you want to work within these tuning systems anyway, you might want to work with a small subset of the notes available (which is what most xenharmonic composers do)

Todo: expand

scale workshop links.

10edo
This is probably the easiest edo to start with. Smaller edos can feel limiting, and larger edos can feel overwhelming.

14edo
This is similar to 10edo and a good choice if you found 10edo to be great-sounding but a little too small for your taste.

Ringer 14
This is a 14-note subset of just intonation (JI), where the frequency values of any two notes are in the ratio a:b where a and b are integers. Integer ratios (especially when a and b are small) tend to sound the most relaxed and consonant, but just intonation scales look very different depending which note you start on, which can be compositionally frustrating.

Zil-14
This is a “maximum variety 3” (or MV3) scale, which means that n steps upwards will always get you one of a set three inteervals.

Bicycle
This is a 12-note JI scale that can be mapped onto a piano.

Superpyth[17]
This is an MV2 scale which will appeal to people who enjoy 22edo and 27edo.

Mavila[7]
This is a small MV2 scale with an interesting mix of familiar and alien harmonies.

Barbados[9]
Another MV2 scale featured in Sevish's work Desert Island Rain

Physical instruments to use

Here are a few physical instruments that can play xen music, sorted by price. The two cheapest options are good enough for most purposes.

Todo: Explain what an isomorphic layout means, as well as how many keys one would want.


Kalimbas and mbiras
Price: $20-$100
Number of keys: about 20
Velocity sensitivity: Real
Layout: Varies
Retunability: Somewhat easy

Kalimbas and mbiras can be retuned to xenharmonic scales, although trying to retune them to scales of more than seven notes can pose problems.

Launchpad X
Price: $200
Number of keys: 64-81
Velocity sensitivity: Yes
Layout: Square
Retunability: Easy

Can play edos up to 22 (if you care about having decent range) or higher (if you don’t) as an isomorphic keyboard, which means that if you play one pattern, move your hand somewhere else on the keyboard, and play the same pattern there, the two patterns will be exactly the same except that one will be higher than the other. Can also play any of the tunings in the earlier section handily.

Guitar
Price: ~$350
Number of keys: ~140
Velocity sensitivity:
Layout: Varies (usually isomorphic)
Retunability: Hard

You’ve heard of this one before. Spaces between frets get too small for comfort around 27edo, although a solution for 41edo (having frets for every other note in the scale and finding the whole gamut through other strings) is isomorphic and uniquely elegant. Fretless guitars are also an option.

HexBoard
Price: $400
Number of keys: 140
Velocity sensitivity: No
Layout: Hex
Retunability: Easy

Marketed as a cheap alternative to the Lumatone.

Electric piano (not recommended)
Price: ~$400
Number of keys: 88
Velocity sensitivity: Depends
Layout: Halberstadt
Retunability: Easy

Deals well with some scales with fewer than 12 notes, and a select number of larger scales. Not the best option if you don’t already have one

String instruments
Price: $500-$3000
Number of keys: As many pitch classes are available as your fingers can manage, which is about 50 per octave
Velocity sensitivity: Absolutely
Layout: Isomorphic
Retunability: Not necessary

By far the most difficult option out of these. All string instruments can play xenharmonic music, although there’s a little more inherent inaccuracy in the smaller ones. Fretless guitar is the best and the cheapest.

Lumatone
Price: $4000
Number of keys: ~300
Velocity sensitivity: Yes
Layout: Hex
Retunability: Easy

Everything you could want out of a xenharmonic instrument if you like using scales smaller than 36 notes per octave. Also works somewhat well for larger scales. Generally considered to not be worth the price.

Methods of notation

This section assumes you know how to read standard 12edo note names. Learn that first if you don’t. Most methods of notation on the five-line staff are such that (…-C#-F#)-B-E-A-D-G-C-F-(Bb-Eb-…) is a chain of equal fourths; these systems are called “chain-of-fourths” or “chain-of-fifths.”

The most popular way of notating edos is Ups and Downs notation, which is a chain-of-fifths notation where ^ and v are used as +1 and -1 step alterations.

The most popular way to notate just intonation is HEJI, which also uses a chain-of-fourths notation; FJS (which I recommend), NFJS, and color notation are other chain-of-fourths options similar to HEJI, while Johnston notation is a non-chain-of-fourths notation fit for simple folk-like works. If computer playback is not desired, it may be reasonable to notate just intonation through an edo such as 41, 58, or 72.

Software to use

Notation-based options work best for large scales and edos (>24 notes), while DAWs are preferable for smaller scales and EDOs.

Notation-based options

Musescore 4 using XenKit: FREE OPEN-SOURCE. The easiest way to write xenharmonic music through standard Western notation.

Musescore 3 using XenTuner: FREE OPEN-SOURCE. Use this as an alternative to Musescore 4 if you can’t download it or find XenKit limiting—XenKit has fewer capabilities than XenTuner.

DORICO: $100 Might be worth it if you’re serious about microtonal composition. Doesn’t require plugins, but it might be slower to update and harder to customize.

DAW-based options

Todo: expand

How do I read and navigate the wiki?

The wiki originated as a resource for Regular temperament theory, so much of its material is related to that. (The wiki is steadily gaining information about alternative approaches, though!) If you're interested in reading about the mathematics of temperaments, read D&D's guide.

Editing the wiki

If you understand a concept well enough to make its article more insightful, you are welcome to improve it.

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