Gsd-skill-creator ear-training

Aural skills development covering interval recognition, chord quality identification, rhythmic and melodic dictation, sight-singing, and progressive pedagogy. Covers the Kodaly method (hand signs, relative solmization, singing-first approach), interval identification strategies, chord quality and inversion recognition, harmonic dictation, solfege systems (fixed-do vs. movable-do), Gordon's Music Learning Theory, Suzuki method principles, and structured difficulty sequencing. Use when developing listening skills, practicing dictation, preparing sight-singing, or designing ear training curricula.

install
source · Clone the upstream repo
git clone https://github.com/Tibsfox/gsd-skill-creator
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/Tibsfox/gsd-skill-creator "$T" && mkdir -p ~/.claude/skills && cp -r "$T/examples/skills/music/ear-training" ~/.claude/skills/tibsfox-gsd-skill-creator-ear-training && rm -rf "$T"
manifest: examples/skills/music/ear-training/SKILL.md
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Ear Training

Ear training is the systematic development of musical hearing — the ability to identify, notate, and reproduce musical elements (intervals, chords, rhythms, melodies, and harmonic progressions) by ear. It is the bridge between abstract music theory and lived musical experience: a musician who can analyze a score but cannot hear what they read has incomplete musicianship. This skill covers identification techniques, dictation methods, sight-singing systems, and the major pedagogical approaches (Kodaly, Gordon, Suzuki) that structure aural skills education.

Agent affinity: kodaly (singing-first pedagogy, hand signs, relative solmization, sequential skill building)

Concept IDs: scales-intervals, melodic-contour, vocal-technique, rhythm

Part I — Interval Recognition

The Intervals

An interval is the distance between two pitches. Intervals are identified by two properties: size (number: 2nd, 3rd, 4th, etc.) and quality (major, minor, perfect, augmented, diminished).

The 13 intervals within an octave:

IntervalHalf stepsQualityExample ascending
Perfect unison (P1)0PerfectC to C
Minor 2nd (m2)1MinorC to Db
Major 2nd (M2)2MajorC to D
Minor 3rd (m3)3MinorC to Eb
Major 3rd (M3)4MajorC to E
Perfect 4th (P4)5PerfectC to F
Tritone (A4/d5)6Aug 4th or Dim 5thC to F# / C to Gb
Perfect 5th (P5)7PerfectC to G
Minor 6th (m6)8MinorC to Ab
Major 6th (M6)9MajorC to A
Minor 7th (m7)10MinorC to Bb
Major 7th (M7)11MajorC to B
Perfect octave (P8)12PerfectC to C (8va)

Song Reference Method

Associating each interval with the opening of a well-known melody provides an anchor for recognition:

IntervalAscending referenceDescending reference
m2"Jaws" theme (E-F)"Joy to the World" (first two notes, descending)
M2"Happy Birthday" (Happy BIRTH-day)"Mary Had a Little Lamb" (Ma-RY)
m3"Greensleeves" (A-LAS my love)"Hey Jude" (Hey JUDE)
M3"Oh When the Saints" (Oh when THE)"Swing Low, Sweet Chariot" (Swing LOW)
P4"Here Comes the Bride""I've Been Working on the Railroad" (some-ONE's in the kitchen)
Tritone"The Simpsons" (The SIMP-) or "Maria" (MA-ri-a)"Blue Seven" (Sonny Rollins)
P5"Twinkle, Twinkle" (Twin-KLE) or "Star Wars" main theme"Feelings" (FEEL-ings)
m6"The Entertainer" (Scott Joplin, theme pickup)"Love Story" theme
M6"My Bonnie Lies Over the Ocean" (My BON-nie)"Nobody Knows the Trouble I've Seen" (NO-body)
m7"Somewhere" (West Side Story) (Some-WHERE)"An American in Paris" opening
M7"Take On Me" (A-ha, chorus: TAKE on me)"I Love You" (Cole Porter, I LOVE)
P8"Somewhere Over the Rainbow" (Some-WHERE)"Willow Weep for Me"

Limitations of the song method: Reference songs create an association to a specific musical context (key, rhythm, style). As skills develop, direct pitch-relationship hearing should replace song references. The goal is to hear "that's a minor third" immediately, not "that's the Greensleeves interval."

Interval Categories for Quick Identification

Step 1 — Size category:

  • Is it a step (2nd), skip (3rd), or leap (4th or larger)?
  • Steps are small and connected; leaps are dramatic.

Step 2 — Quality refinement:

  • Within each size, is it the "brighter" (major/augmented) or "darker" (minor/diminished) variant?
  • Major intervals sound stable, open, bright.
  • Minor intervals sound darker, more plaintive, narrower.

Step 3 — Perfect interval recognition:

  • Perfect intervals (P4, P5, P8) have a distinctive "hollow" or "pure" quality due to the simple frequency ratios (4:3, 3:2, 2:1).
  • The tritone (A4/d5) is the only interval that sounds equally unstable in both directions.

Harmonic vs. Melodic Intervals

Melodic interval: Two notes played successively. Easier to identify because you hear each note independently.

Harmonic interval: Two notes played simultaneously. Requires hearing the composite sonority. Strategies:

  • Sing the lower note, then the upper note, to convert a harmonic interval to a melodic one.
  • Listen for "beats" (acoustic interference) — close intervals (2nds, 7ths) produce more beating than wide intervals (5ths, octaves).
  • Identify quality first (consonant vs. dissonant), then narrow down size.

Part II — Chord Quality Identification

The Five Basic Chord Qualities

QualitySound characterInterval structureAural cue
Major triadBright, stable, happyM3 + m3The "default" happy chord
Minor triadDark, stable, sadm3 + M3Same stability as major but darker
Diminished triadTense, unstable, anxiousm3 + m3Smaller, more compressed than minor
Augmented triadDreamy, unresolved, symmetricalM3 + M3Larger, more open than major; no resolution direction
Dominant 7thBluesy, tense, wanting to resolveM3 + m3 + m3Major triad + the "pull" of the minor 7th

Extended Chord Identification

QualitySound characterAural cue
Major 7thLush, smooth, jazz balladMajor triad + sweetness on top
Minor 7thWarm, relaxed, soul/jazzMinor triad + soft extension
Half-diminished 7thWistful, yearningMinor quality but more dissonant than minor 7th
Fully diminished 7thExtremely tense, symmetricalEvery note feels equally unstable; no clear root

Inversion Recognition

Identifying chord inversions by ear requires hearing the bass note's relationship to the chord:

  • Root position: The bass note is the root. Most stable, "grounded" sound.
  • First inversion: The bass note is the third. Lighter, more mobile. Common in stepwise bass lines.
  • Second inversion: The bass note is the fifth. Least stable — sounds like it needs to resolve. The "lean" of a cadential 6/4 chord is a characteristic sound.

Practice method: Play a chord in root position, then rearrange the same notes with a different bass. Listen for how the "weight" shifts — root position is heaviest, second inversion is most precarious.

Part III — Rhythmic Dictation

Method

  1. Establish the meter. Listen for the strong-beat pattern: duple (strong-weak) or triple (strong-weak-weak)? Simple (subdivisions in 2) or compound (subdivisions in 3)?
  2. Tap the beat. Internalize the pulse before attempting to notate.
  3. Identify the subdivision. Are the fastest notes eighth notes? Sixteenth notes? Triplets?
  4. Notate beat by beat. Focus on one beat at a time. Write the rhythm for beat 1, then beat 2, etc.
  5. Check barlines. Do the accents and longer notes align with where you placed the barlines?

Common Rhythmic Patterns

Pattern nameNotation (in 4/4)Characteristic
Even eighthsti-ti ti-ti ti-ti ti-tiDriving, steady
Dotted quarter-eighthta-a tiLong-short, march-like
Syncopated eighthti ta tiTied-across-beat, jazz feel
Sixteenth-note runti-ka-ti-kaFast, virtuosic
Triplettri-pl-etThree in the time of two, swing-adjacent
Scotch snapti-ka taShort-long (reverse of dotted), aggressive
Hemiolata ta ta (across barline)Regrouping, 3-against-2

Progressive Difficulty Sequence for Rhythmic Dictation

  1. Quarter and half notes in 4/4
  2. Quarter, half, and whole notes in 3/4 and 4/4
  3. Add eighth notes (simple division)
  4. Add dotted rhythms (dotted quarter-eighth)
  5. Add syncopation (tied notes across beats)
  6. Compound meter (6/8) with eighth notes
  7. Sixteenth-note patterns
  8. Mixed meter and asymmetric meters
  9. Triplets and borrowed divisions
  10. Polyrhythm (2 against 3)

Part IV — Melodic Dictation

Method

  1. Establish the key. Listen to the tonic chord or cadence before the melody begins. Sing the tonic.
  2. Determine the first note's scale degree. Is it do (1)? Sol (5)? Mi (3)?
  3. Track contour first. On the first hearing, sketch the general shape — does the melody go up, down, stay the same? Where are the high and low points?
  4. Fill in specifics. On subsequent hearings, identify exact intervals and rhythms. Work in short segments (2-4 notes at a time).
  5. Check against the key. Do all the notes belong to the key? If not, mark accidentals and check whether they indicate a tonicization or modulation.

Contour Archetypes

ContourShapeExample
AscendingRising continuouslyOpening of "Star-Spangled Banner"
DescendingFalling continuously"Joy to the World"
ArchRise then fall"Somewhere Over the Rainbow" (up a P8, then stepwise descent)
Inverted archFall then rise"My Bonnie Lies Over the Ocean" (dip then rise to "ocean")
OscillatingStepwise back-and-forth"Twinkle, Twinkle" (after the opening leap)
StaticRepeated notes"One Note Samba" (Jobim)

Common Melodic Errors and Fixes

ErrorCauseFix
Wrong interval size but right directionHearing contour but not distancePractice intervals in isolation; sing back each interval before writing
Right notes, wrong rhythmPrioritizing pitch over timeTap rhythm separately on first hearing; add pitch on second hearing
Losing the keyMelody modulates and student stays in old keyRe-anchor to tonic after each phrase; identify chromatic notes as signals
Octave errorsConfusing same letter name in different octavesTrack register: is the melody in the upper or lower part of the voice?

Part V — Harmonic Dictation

Two-Voice Dictation (Soprano + Bass)

The standard academic exercise: hear a four-part chorale and notate the soprano and bass lines. The inner voices are implied by the chord but not individually tracked.

Method:

  1. Soprano first. The highest voice is the most audible in most textures. Notate the soprano melody using melodic dictation techniques.
  2. Bass second. The lowest voice is the second-most audible. Notate the bass line — focus on root motion (by step? by fifth? by third?).
  3. Infer chords. Once you have soprano and bass, the chord is largely determined. A soprano on E and bass on C in C major is almost certainly a I chord (C-E-G) or vi chord (A-C-E) depending on context.
  4. Roman numerals. Label each chord with a Roman numeral. Check that progressions follow common patterns (I-IV-V-I, ii-V-I, etc.).

Cadence Identification by Ear

CadenceSoundAural cue
Perfect Authentic (PAC)Complete, final, closedBass moves down a fifth (or up a fourth) to tonic; soprano on tonic
Imperfect Authentic (IAC)Somewhat resolved but not fullySimilar to PAC but soprano not on tonic, or V or I is inverted
Half Cadence (HC)Open, questioning, incompleteMusic stops on the dominant — you expect more
Deceptive Cadence (DC)Surprised, redirectedExpected resolution to I but got vi instead — the bass "dodges"
Plagal Cadence (PC)Gentle, conclusive, "Amen"IV to I — softer than authentic, no leading-tone tension

Part VI — Sight-Singing

Solfege Systems

Movable-do solfege: Scale degrees are always do-re-mi-fa-sol-la-ti regardless of key. In C major: C = do. In G major: G = do. Chromatic alterations: raised notes use -i suffix (di, ri, fi, si, li), lowered notes use -e suffix (ra, me, se, le, te).

Fixed-do solfege: C is always do, D is always re, E is always mi, regardless of key. Used in France, Italy, Spain, and their musical traditions. Chromatic alterations do not change syllable names (C# is still do).

Comparison:

FeatureMovable-doFixed-do
Key awarenessBuilt in — do is always tonicMust be learned separately
ModulationRequires relocating do to new tonicNo change needed
Chromatic musicAwkward — many altered syllablesNatural — every pitch has a fixed name
Atonal musicDoes not applyWorks — every note has a name
TranspositionTrivial — same syllables in every keyMust be calculated
Primary useAnglo-American, Hungarian (Kodaly), German traditionsFrench, Italian, Spanish conservatories

Sight-Singing Strategies

  1. Scan before singing. Look at the key signature, time signature, first and last notes. Identify the mode and range.
  2. Find anchor points. Locate notes that are members of the tonic triad (do, mi, sol). These are your safe landings.
  3. Read by interval. For stepwise passages, simply move up or down the scale. For leaps, identify the interval and use your interval recognition skills.
  4. Rhythm first. Clap or speak the rhythm before adding pitch. Coordinating pitch and rhythm simultaneously is harder than either alone.
  5. Audiate ahead. Train yourself to hear the next 2-3 notes internally before singing them. This "lookahead" buffer is the hallmark of a strong sight-singer.
  6. Sing through mistakes. In performance, do not stop to correct. Keep the rhythmic flow and re-anchor at the next strong beat. In practice, stop and fix.

Part VII — The Kodaly Method

Zoltan Kodaly (1882-1967) developed a comprehensive music education philosophy centered on the voice as the primary instrument and sequential skill building from simple to complex.

Core Principles

  1. Singing first. All musical learning begins with the voice. Instruments come later. The voice is the most accessible and personal instrument — everyone has one.
  2. Relative solmization (movable-do). Kodaly adopted the movable-do system, using solfege syllables to teach pitch relationships. The relationship between notes matters more than absolute pitch.
  3. Hand signs (Curwen-Kodaly). Each solfege syllable has a corresponding hand position:
SyllableHand signPosition
DoClosed fist, palm downWaist level
ReFlat hand, angled up 45 degreesBetween waist and chest
MiFlat hand, palm downChest level
FaThumb pointing down, fingers curledJust below sol
SolFlat hand, palm downShoulder level
LaHand cupped, fingers pointing downBetween shoulder and head
TiPointing finger, angled upJust below head level
Do (high)Closed fist, palm downHead level

Hand signs make pitch relationships visible and kinesthetic. Children can "see" a melody's shape and "feel" the tension of ti resolving to do through the physical gesture.

  1. Rhythmic syllables. Kodaly uses rhythm syllables (ta = quarter note, ti-ti = two eighth notes, ta-a = half note, tika-tika = four sixteenth notes) to make rhythmic patterns speakable before they are readable.

  2. Folk song as curriculum. Kodaly advocated using the folk songs of the student's own culture as the primary teaching repertoire. The melodies are memorable, the language is familiar, and the musical vocabulary grows organically from the simplest pentatonic songs to complex diatonic and chromatic music.

Kodaly Sequencing

LevelPitch contentRhythm contentSkill
1Sol-mi (descending minor 3rd)Ta, ti-tiEcho singing, pattern matching
2Sol-mi-la (pentatonic fragment)Ta, ti-ti, ta-aSimple songs, hand signs
3Sol-mi-la-do-re (pentatonic)Add ti-ka, ta-a-a-aTwo-part singing, simple dictation
4Full pentatonic (do-re-mi-sol-la)Add syncopationSight-singing from notation
5Add fa and ti (diatonic)Compound meterPart-singing, chromatic awareness
6Chromatic pitchesAsymmetric meterModulation, advanced dictation

The sequence is designed so that each new element is learned in the context of already-familiar material. Fa and ti are introduced last because they create the half-step tensions that define major and minor modes — students need a solid pentatonic foundation before encountering these.

Part VIII — Gordon's Music Learning Theory

Edwin Gordon (1927-2015) developed a theory of music learning based on the concept of audiation — hearing and comprehending music in one's mind, without the sound being physically present.

Audiation Types

  1. Listening audiation: Hearing music and understanding it in real time. Not just "hearing" but comprehending meter, tonality, and phrase structure.
  2. Reading audiation: Looking at notation and hearing it internally before playing or singing.
  3. Writing audiation: Hearing music internally and converting it to notation.
  4. Performing audiation: Maintaining internal musical comprehension while playing or singing.

Gordon's Skill Learning Sequence

LevelLabelActivity
1Aural/OralHear a pattern, sing it back (no notation)
2Verbal AssociationAssign solfege syllables or rhythm syllables to the pattern
3Partial SynthesisCombine learned patterns into short melodies
4Symbolic AssociationConnect patterns to notation
5Composite SynthesisRead and perform unfamiliar music by combining known patterns

Key insight: Gordon argues that musical understanding follows the same developmental path as language acquisition — immersion (listening) precedes production (speaking) precedes literacy (reading/writing). Ear training programs that start with notation are analogous to teaching reading before speaking — they produce students who can decode symbols but cannot think musically.

Part IX — Suzuki Method Principles

Shinichi Suzuki (1898-1998) developed the "Talent Education" or "Mother Tongue" method, arguing that all children can learn music the same way they learn language — through immersion, repetition, and loving encouragement.

Core Principles Applied to Ear Training

  1. Listening environment. Children listen to recordings of the repertoire they will learn before they begin playing. By the time they pick up an instrument, the melodies are already internalized.
  2. Learning by ear before reading. Students learn pieces by ear (imitation and memory) before learning notation. This builds audiation skills as a foundation for later literacy.
  3. Repetition as mastery. Each piece is practiced until it is mastered, then continued in the repertoire indefinitely. The early pieces become the "vocabulary" that informs understanding of later, more complex music.
  4. Parent involvement. A parent attends lessons and practices with the child at home. The musical environment extends beyond the lesson.

Suzuki and Ear Training Integration

The Suzuki method's emphasis on ear-first learning produces students with strong aural skills as a byproduct of instrumental study. However, explicit ear training (interval identification, dictation, sight-singing) is often added later to formalize the intuitive skills developed through Suzuki practice. The two approaches are complementary: Suzuki builds the intuitive foundation; formal ear training builds the analytical framework.

Part X — Progressive Difficulty Sequencing for Ear Training

Interval Identification Sequence

PhaseIntervalsPresentation
1P5 and P8 onlyMelodic ascending
2Add M3 and m3Melodic ascending
3Add P4, M2, m2Melodic ascending and descending
4Add M6, m6, M7, m7Melodic ascending and descending
5Add tritoneAll intervals, melodic
6All intervalsHarmonic (simultaneous)
7All intervalsOut of context (no tonal reference)

Chord Identification Sequence

PhaseChord types
1Major vs. minor triads
2Add diminished triad
3Add augmented triad
4Major 7th vs. dominant 7th
5Add minor 7th
6Add half-diminished and fully diminished 7th
7Inversions of all types
8Extended chords (9ths, 11ths, 13ths)

Melodic Dictation Sequence

PhaseCharacteristics
14-note stepwise melodies in major, narrow range
28-note melodies with steps and thirds
3Add fourths and fifths; minor keys
4Longer melodies (2-4 bars) with mixed intervals
5Chromatic neighbor tones and passing tones
6Melodies with modulation
7Melodies with chromaticism and irregular phrase lengths

When to Use This Skill

  • Developing interval recognition (melodic and harmonic)
  • Practicing rhythmic, melodic, or harmonic dictation
  • Preparing sight-singing exercises
  • Designing or following an ear training curriculum
  • Understanding the pedagogical principles behind ear training methods
  • Building audiation skills for performance or composition

When NOT to Use This Skill

  • For harmonic analysis at the chord-progression level — use harmony-analysis skill
  • For contrapuntal analysis — use counterpoint skill
  • For rhythmic analysis beyond dictation exercises — use rhythm-meter skill
  • For instrument ranges and scoring — use orchestration skill
  • For large-scale formal analysis — use form-analysis skill

Cross-References

  • kodaly agent: Ear training pedagogy, hand signs, solmization, sequential skill building. Named for Zoltan Kodaly, whose music education philosophy made ear training the foundation of all musical learning. Kodaly's principles influenced music education worldwide and remain the dominant approach in Hungarian, British, and American school music programs.
  • clara-schumann agent: Performance-integrated ear training — the ability to hear intonation, balance, and ensemble alignment in real time during performance.
  • rameau agent: Harmonic hearing — identifying chord functions and progressions by ear.
  • bach agent: Polyphonic hearing — tracking multiple independent voices simultaneously (the most advanced ear training skill).
  • coltrane agent: Jazz ear training — hearing chord extensions, substitutions, and improvised melodic lines in real time.
  • harmony-analysis skill: Theoretical framework for what you are hearing — interval and chord labels, Roman numeral analysis.
  • rhythm-meter skill: Rhythmic framework for rhythmic dictation and sight-reading.
  • counterpoint skill: Polyphonic listening — hearing independent lines, a skill developed through counterpoint study and ear training together.

References

  • Kodaly, Z. (1974). The Selected Writings of Zoltan Kodaly. Boosey & Hawkes.
  • Gordon, E. E. (2012). Learning Sequences in Music. 2012 edition. GIA Publications.
  • Suzuki, S. (1983). Nurtured by Love. Revised edition. Summy-Birchard.
  • Karpinski, G. S. (2000). Aural Skills Acquisition. Oxford University Press.
  • Rogers, M. R. (2004). Teaching Approaches in Music Theory. 2nd edition. Southern Illinois University Press.
  • Ottman, R. W., & Rogers, N. (2013). Music for Sight Singing. 9th edition. Pearson.
  • Benward, B., & Kolosick, J. T. (2014). Ear Training: A Technique for Listening. 8th edition. McGraw-Hill.
  • Curwen, J. (1843). The Tonic Sol-Fa method. Original pedagogical materials.