Musical symbol quarter tone sharp by Pride-Flags on DeviantArt
quarter-tone / 24-edo - musical interval and tuning, 24 tones to the octave
West meets East – Notation & playback of Quarter tone music using Sibelius – OF NOTE
West meets East – Notation & playback of Quarter tone music using Sibelius – OF NOTE
history - What do these unusual signs on key signature mean? - Music: Practice & Theory Stack Exchange
How Many Notes Are There? The Theory of Quarter Tones - YouTube
Charles Ives, Calvin Hampton, Donald Lybrert, Teo Macero - New Music in Quarter-tones for Chamber Ensemble and Two Quarter-Tone Pianos - Charles Ives, Calvin Hampton, Donald Lybbert, Teo Macero - Amazon.com Music
quarter-tone staff - new musical notation based on 24-tone equal temperament
How to use Quarter-Tones
How to use Quarter-Tones
Quarter-tone Scale Sheet music for Piano (Solo) | Musescore.com
Various-Classical & Orchestral New Music In Quarter-Tones US Vinyl LP — RareVinyl.com
Music Structures
Makams and Cents: Microtones and Measuring Them at BabaYagaMusic.com
Quartertone Notation - Austin Poorbaugh
Quarter Tone Chromatic Scale - YouTube
Quarter tone - Wikipedia
quarter tone notation in Finale 2014 – MakeMusic Help Center