Have you ever listened to a piano tuner at work? You hear the familiar notes of the 12 tone equal tempered scale, but as the piano tuner works you can hear each note played slightly flat, then slightly sharp, then right in tune. While most people are happy with the standard tuning, there is a whole wealth of musical resources hiding between the keys on the piano and that is what microtonality is all about.
Are you a tuning novice or an expert? Use this interactive quiz to find out!
A brief discussion of simple musical tones, harmonics and partials.
An overivew of small whole number ratios, limits, and Just Intonation scale design.
Just Intonation, Equal Tempered, Timbral, and other types.
For the experimenter in you.
Gallery of Microtonal Guitars is a collection of microtonal guitar necks that I have fretted.
Glass Organ - A 23 note per octave Just Intonation instrument using a modified tonality diamond layout.
Tromba Marina. This instrument can only play notes from the harmonic series making it inherently microtonal.
Corporeal Meadows is where Harry Partch's spirit is strongest on the web. Harry Partch made a particularly radical break from western music by using a 43 note scale, constructing an orchestra of instruments to play in his new scale.
Jon Catler is a microtonal guitarist and inventor of tuning systems for guitars. He is also a dealer of G&L guitars fretted in his systems (formerly fretted by Peterson Stringed Instruments). See his 62 Tone Just Guitar
The Just Intonation Network publishes a newsletter with very interesting articles on just intonation.
Dante has designed and built a very colorful fretboard for his guitar and learned how to play it. His sound samples are well worth the download time.
Joe Monzo's tuning dictionary entry on equal temperaments - Including theorists who have used them, and graphs of their approximations of 11 odd-limit ratios.
Charles Lucy, inventor of LucyTuning, an interesting hybrid of Just Intonation and Equal Temperament.