Example image of eyePlorer eyePlorer map for 'Quarter tone': Interval (music) Major second Semitone Cent (music) Equal temperament Steps and skips Minor third Neutral second Just intonation Septimal minor third 22 equal temperament 53 equal temperament 72 equal temperament Ben Johnston (composer) Septimal quarter tone Brass instrument Finger vibrato String instrument Synthesizer Trombone Woodwind instrument Markneukirchen Quarter tone clarinet Audio signal processing Pitch shifter (audio processor) Arab World Assyria Iran Kurdistan Microtonal music Turkey Arabic maqam Flat (music) Unicode Al-Farabi Music theory Safi al-Din Urmawi Experimental musical instrument Ancient Greece Archytas Enharmonic genus Major third Tetrachord Alois Hába Ivan Vïshnegradsky Neutral third Septimal major third Arab tone system Gadwal List of quarter tone pieces
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