In the spirit of the early World Wide Web, here is a list of bookmarks that I found useful and interesting.

Tuning theory

Introduction

• Sound – Wikipedia
• Pitch – Wikipedia
• Interval – Wikipedia
• Cent – Wikipedia
• Harmonic Series – Wikipedia
• Microtonal Music – Wikipedia

Tuning theory general

• Encyclopedia of Microtonal Music Theory – Joe Monzo
• Now & Xen podcast
• Xenharmonikon

Rational intonation

• Just Intonation – Xenharmonic Wiki
• Just Intonation Explained – Kyle Gann
• The Just Intonation Primer – David B. Doty
• Limit – Wikipedia
• Gallery of 12-tone just intonation scales – Xenharmonic Wiki
• A gentle introduction to Fokker periodicity blocks – Paul Erlich
• Primodality – Xenharmonic Wiki
• Fundamental Principles of Just Intonation and Microtonal Composition – Thomas Nicholson and Marc Sabat

Equal temperaments

• Equal-step tuning – Xenharmonic Wiki
• Tuning, Tonality and Twenty-Two-Tone Equal Temperament – Paul Erlich
• 22edo – Sevish

Regular temperaments

• Dave Keenan & Douglas Blumeyer’s guide to RTT
• A Middle Path Between Just Intonation and the Equal Temperaments – Paul Erlich

Misc tuning concepts

• Three Asymmetric Divisions of the Octave – Wendy Carlos
• The Golden Ratio as a musical interval – Sevish

Tuning fiction

• A Bit O’ Blarney – George Secor

Practical microtonality

• Why use alternative tunings? – Xen Wiki

Online discussion boards for tuning and microtonality

• Microtonal Subreddit
• Xenharmonic Alliance: Microtonal Music Forum – Facebook
• Microtonal Music and Tuning Theory – Facebook
• Xenharmonic Alliance Discord server

Software to create and define tunings

• Scale Workshop
• Scala
• Xenpaper
• isartum.net web-based tuning creator and generative music software

Software to directly tune synthesisers

• Entonal Studio
• Infinitone DMT
• Oddsound MTS-ESP Suite
• Pitch Innovations Fluid Pitch

Instruments

Synths

• List of microtonal software plugins – Xenharmonic Wiki
• Hardware synths [with microtonal tuning] – Xenharmonic Wiki
• Synthesizers, samplers and sound cards with microtonal capabilities – microtonal-synthesis.com

Guitar

• Guitar – Xen Wiki
• FretFind2D – ekips
• Neutral Thirds Guitar Tuning – Sevish
• The Kite Guitar
• FreeNote Music

Saxophone

• Microtonal Fingering Chart For Alto Saxophone – Philipp Gerschlauer
• Quarter-tone production on the saxophone – John William Paulson

Kalimba

• How To Tune Every Type Of Kalimba – In-Depth Guide – Kalimba HQ
• Using Magnets for Temporary Tuning – Kalimba Time

Melodica

• How to Tune a Melodica – Melodica World
• Tuning Melodica – melodica.com

Books

• Tuning Bibliography – nonoctave.com
• Tuning Timbre Spectrum Scale – William Sethares
• Microtonality and the Tuning Systems of Erv Wilson – Terumi Narushima
• The Computer Music Tutorial – Curtis Roads

Playlists

• Spotify – Ultimate Microtonal Music Playlist of Infinite Justice
• Spotify – Microtonal Music & Xenharmonic Music
• YouTube – All Microtonal Music
• YouTube – Learn about Microtonal Music
• YouTube – 22-tone equal temperament
• YouTube – Bohlen-Pierce music (13ed3)
• YouTube – Neutral thirds guitar tuning

Art

• Mandelbulber

Sevish

• https://sevish.com/bandcamp
• https://merch.sevish.com
• https://sevish.com/spotify
• https://sevish.com/apple
• https://sevish.com/soundcloud
• https://sevish.com/deezer
• https://sevish.com/twitch
• https://sevish.com/blog
• https://sevish.com
• https://en.wikipedia.org/wiki/Sevish
• https://musicbrainz.org/artist/736c9358-4111-4938-a333-4e383ef9267b
• https://rateyourmusic.com/artist/sevish