A Microtonal Ear Training Curriculum

Hearing microtonal intervals is a skill, not a talent. Research in psychoacoustics confirms that interval perception is built through exposure and training, not inherited. This curriculum provides a structured path from 12-TET hearing to the microtonal fluency that makam and dastgah performance demands.

Prerequisite: basic interval recognition

Practice Before starting microtonal training, you should be able to hear and identify standard Western intervals — at minimum, major and minor seconds, major and minor thirds, perfect fourths and fifths. If you cannot yet hear a minor third versus a major third, start there. Microtonal training builds on top of Western interval categories, not instead of them.

Level 1: The neutral second

Practice The neutral second — roughly 150 cents, sitting between a semitone (100 cents) and a whole tone (200 cents) — is the gateway interval. It is the sound that most immediately distinguishes Middle Eastern modal music from Western tonality.

Exercises:

1. Listen to Rast. Find a recording of Makam Rast or Dastgah-e Mahur. Focus on the interval between the second and third degrees — that is the neutral second.
2. Compare three intervals. On your instrument (or using Meshk), play a minor second, a neutral second, and a major second in sequence. Repeat until you can hear the neutral second as a distinct sound, not as an out-of-tune version of the other two.
3. Sing the neutral second. Try to produce it vocally. Check against a reference. Accuracy will be poor at first — that is normal.

Goal: Be able to hear a neutral second and identify it as neither a semitone nor a whole tone, but something in between.

Level 2: Uşşak versus Rast

Practice Once you can hear the neutral second, the next distinction is between different sizes of neutral second. This is the difference between Uşşak (approximately 7 commas, ~159 cents) and Rast (approximately 8 commas, ~182 cents).

Exercises:

1. Compare the two. Play an Uşşak tetrachord and a Rast pentachord back to back. The Uşşak second degree is lower than the Rast second degree.
2. Listen in context. Find recordings of pieces in Makam Uşşak and Makam Rast. Focus on the second degree. Over time, you will hear the two as distinct.
3. Spend weeks, not minutes. This distinction is subtle (about 23 cents). Expect it to take several weeks of daily practice before it becomes reliable.

Goal: Hear Uşşak and Rast second degrees as different categories, not as the same interval.

Level 3: The augmented second

Practice The augmented second — the signature interval of Hicaz — is wider than a whole tone (roughly 12 commas, ~272 cents). It is dramatic and immediately recognizable.

Exercises:

1. Learn the Hicaz tetrachord. Its interval pattern — semitone, augmented second, semitone — is instantly distinctive. Hear the augmented second as a single interval, not as two steps.
2. Compare Hicaz with minor. A Hicaz tetrachord and a Kürdî tetrachord share the same starting and ending pitches but differ in internal intervals. Hear how the augmented second transforms the character.

Goal: Identify a Hicaz tetrachord by ear immediately.

Level 4: Segâh and the neutral third

Practice The neutral third — between a minor third (300 cents) and a major third (400 cents) — is the interval that defines the Segâh family. At approximately 17 commas (~385 cents), it sits closer to a major third but with a distinct quality.

Exercises:

1. Compare three thirds. Play a minor third, a Segâh third, and a major third in sequence.
2. Listen to Makam Segâh recordings. Focus on the opening interval from karar. The slightly low third is the defining sound.

Goal: Hear the neutral third as its own category.

Level 5: Moteghayyer and context-dependent pitch

Practice The most advanced ear training challenge: hearing a pitch that changes depending on melodic context. In dastgah music, moteghayyer pitches function at different frequencies depending on whether the melody is ascending or descending.

Exercises:

1. Study one dastgah's moteghayyer. In Shur, the E koron shifts higher when ascending and lower when descending. Listen for this in recordings.
2. Practice producing both positions. On your instrument, play the ascending and descending forms and notice the difference.

Goal: Hear moteghayyer as an intentional feature, not as inconsistent intonation.

General principles

Practice Throughout this curriculum:

• Immersion over drills. Listen to recordings daily, not just during practice sessions.
• Sing before you play. Vocal production engages deeper processing than instrumental production.
• Accept confusion. The period when intervals sound ambiguous is the period when new categories are forming.
• Use recordings as reference, not tuners. Match the sound, not the number.
• Be patient. Psychoacoustic research shows that categorical boundaries take weeks to months to stabilize.

Where to go from here

The science: Psychoacoustics of Microtonal Perception. The intervals: Interval Theory. The mathematics: Holdrian Commas. Why grids don't match practice: The Theory-Practice Gap. Applying it to a dastgah: How to Practice a New Dastgah.