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.
git clone https://github.com/Tibsfox/gsd-skill-creator
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"
examples/skills/music/ear-training/SKILL.mdEar 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:
| Interval | Half steps | Quality | Example ascending |
|---|---|---|---|
| Perfect unison (P1) | 0 | Perfect | C to C |
| Minor 2nd (m2) | 1 | Minor | C to Db |
| Major 2nd (M2) | 2 | Major | C to D |
| Minor 3rd (m3) | 3 | Minor | C to Eb |
| Major 3rd (M3) | 4 | Major | C to E |
| Perfect 4th (P4) | 5 | Perfect | C to F |
| Tritone (A4/d5) | 6 | Aug 4th or Dim 5th | C to F# / C to Gb |
| Perfect 5th (P5) | 7 | Perfect | C to G |
| Minor 6th (m6) | 8 | Minor | C to Ab |
| Major 6th (M6) | 9 | Major | C to A |
| Minor 7th (m7) | 10 | Minor | C to Bb |
| Major 7th (M7) | 11 | Major | C to B |
| Perfect octave (P8) | 12 | Perfect | C to C (8va) |
Song Reference Method
Associating each interval with the opening of a well-known melody provides an anchor for recognition:
| Interval | Ascending reference | Descending 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
| Quality | Sound character | Interval structure | Aural cue |
|---|---|---|---|
| Major triad | Bright, stable, happy | M3 + m3 | The "default" happy chord |
| Minor triad | Dark, stable, sad | m3 + M3 | Same stability as major but darker |
| Diminished triad | Tense, unstable, anxious | m3 + m3 | Smaller, more compressed than minor |
| Augmented triad | Dreamy, unresolved, symmetrical | M3 + M3 | Larger, more open than major; no resolution direction |
| Dominant 7th | Bluesy, tense, wanting to resolve | M3 + m3 + m3 | Major triad + the "pull" of the minor 7th |
Extended Chord Identification
| Quality | Sound character | Aural cue |
|---|---|---|
| Major 7th | Lush, smooth, jazz ballad | Major triad + sweetness on top |
| Minor 7th | Warm, relaxed, soul/jazz | Minor triad + soft extension |
| Half-diminished 7th | Wistful, yearning | Minor quality but more dissonant than minor 7th |
| Fully diminished 7th | Extremely tense, symmetrical | Every 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
- 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)?
- Tap the beat. Internalize the pulse before attempting to notate.
- Identify the subdivision. Are the fastest notes eighth notes? Sixteenth notes? Triplets?
- Notate beat by beat. Focus on one beat at a time. Write the rhythm for beat 1, then beat 2, etc.
- Check barlines. Do the accents and longer notes align with where you placed the barlines?
Common Rhythmic Patterns
| Pattern name | Notation (in 4/4) | Characteristic |
|---|---|---|
| Even eighths | ti-ti ti-ti ti-ti ti-ti | Driving, steady |
| Dotted quarter-eighth | ta-a ti | Long-short, march-like |
| Syncopated eighth | ti ta ti | Tied-across-beat, jazz feel |
| Sixteenth-note run | ti-ka-ti-ka | Fast, virtuosic |
| Triplet | tri-pl-et | Three in the time of two, swing-adjacent |
| Scotch snap | ti-ka ta | Short-long (reverse of dotted), aggressive |
| Hemiola | ta ta ta (across barline) | Regrouping, 3-against-2 |
Progressive Difficulty Sequence for Rhythmic Dictation
- Quarter and half notes in 4/4
- Quarter, half, and whole notes in 3/4 and 4/4
- Add eighth notes (simple division)
- Add dotted rhythms (dotted quarter-eighth)
- Add syncopation (tied notes across beats)
- Compound meter (6/8) with eighth notes
- Sixteenth-note patterns
- Mixed meter and asymmetric meters
- Triplets and borrowed divisions
- Polyrhythm (2 against 3)
Part IV — Melodic Dictation
Method
- Establish the key. Listen to the tonic chord or cadence before the melody begins. Sing the tonic.
- Determine the first note's scale degree. Is it do (1)? Sol (5)? Mi (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?
- Fill in specifics. On subsequent hearings, identify exact intervals and rhythms. Work in short segments (2-4 notes at a time).
- 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
| Contour | Shape | Example |
|---|---|---|
| Ascending | Rising continuously | Opening of "Star-Spangled Banner" |
| Descending | Falling continuously | "Joy to the World" |
| Arch | Rise then fall | "Somewhere Over the Rainbow" (up a P8, then stepwise descent) |
| Inverted arch | Fall then rise | "My Bonnie Lies Over the Ocean" (dip then rise to "ocean") |
| Oscillating | Stepwise back-and-forth | "Twinkle, Twinkle" (after the opening leap) |
| Static | Repeated notes | "One Note Samba" (Jobim) |
Common Melodic Errors and Fixes
| Error | Cause | Fix |
|---|---|---|
| Wrong interval size but right direction | Hearing contour but not distance | Practice intervals in isolation; sing back each interval before writing |
| Right notes, wrong rhythm | Prioritizing pitch over time | Tap rhythm separately on first hearing; add pitch on second hearing |
| Losing the key | Melody modulates and student stays in old key | Re-anchor to tonic after each phrase; identify chromatic notes as signals |
| Octave errors | Confusing same letter name in different octaves | Track 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:
- Soprano first. The highest voice is the most audible in most textures. Notate the soprano melody using melodic dictation techniques.
- Bass second. The lowest voice is the second-most audible. Notate the bass line — focus on root motion (by step? by fifth? by third?).
- 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.
- 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
| Cadence | Sound | Aural cue |
|---|---|---|
| Perfect Authentic (PAC) | Complete, final, closed | Bass moves down a fifth (or up a fourth) to tonic; soprano on tonic |
| Imperfect Authentic (IAC) | Somewhat resolved but not fully | Similar to PAC but soprano not on tonic, or V or I is inverted |
| Half Cadence (HC) | Open, questioning, incomplete | Music stops on the dominant — you expect more |
| Deceptive Cadence (DC) | Surprised, redirected | Expected 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:
| Feature | Movable-do | Fixed-do |
|---|---|---|
| Key awareness | Built in — do is always tonic | Must be learned separately |
| Modulation | Requires relocating do to new tonic | No change needed |
| Chromatic music | Awkward — many altered syllables | Natural — every pitch has a fixed name |
| Atonal music | Does not apply | Works — every note has a name |
| Transposition | Trivial — same syllables in every key | Must be calculated |
| Primary use | Anglo-American, Hungarian (Kodaly), German traditions | French, Italian, Spanish conservatories |
Sight-Singing Strategies
- Scan before singing. Look at the key signature, time signature, first and last notes. Identify the mode and range.
- Find anchor points. Locate notes that are members of the tonic triad (do, mi, sol). These are your safe landings.
- Read by interval. For stepwise passages, simply move up or down the scale. For leaps, identify the interval and use your interval recognition skills.
- Rhythm first. Clap or speak the rhythm before adding pitch. Coordinating pitch and rhythm simultaneously is harder than either alone.
- 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.
- 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
- Singing first. All musical learning begins with the voice. Instruments come later. The voice is the most accessible and personal instrument — everyone has one.
- 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.
- Hand signs (Curwen-Kodaly). Each solfege syllable has a corresponding hand position:
| Syllable | Hand sign | Position |
|---|---|---|
| Do | Closed fist, palm down | Waist level |
| Re | Flat hand, angled up 45 degrees | Between waist and chest |
| Mi | Flat hand, palm down | Chest level |
| Fa | Thumb pointing down, fingers curled | Just below sol |
| Sol | Flat hand, palm down | Shoulder level |
| La | Hand cupped, fingers pointing down | Between shoulder and head |
| Ti | Pointing finger, angled up | Just below head level |
| Do (high) | Closed fist, palm down | Head 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.
-
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.
-
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
| Level | Pitch content | Rhythm content | Skill |
|---|---|---|---|
| 1 | Sol-mi (descending minor 3rd) | Ta, ti-ti | Echo singing, pattern matching |
| 2 | Sol-mi-la (pentatonic fragment) | Ta, ti-ti, ta-a | Simple songs, hand signs |
| 3 | Sol-mi-la-do-re (pentatonic) | Add ti-ka, ta-a-a-a | Two-part singing, simple dictation |
| 4 | Full pentatonic (do-re-mi-sol-la) | Add syncopation | Sight-singing from notation |
| 5 | Add fa and ti (diatonic) | Compound meter | Part-singing, chromatic awareness |
| 6 | Chromatic pitches | Asymmetric meter | Modulation, 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
- Listening audiation: Hearing music and understanding it in real time. Not just "hearing" but comprehending meter, tonality, and phrase structure.
- Reading audiation: Looking at notation and hearing it internally before playing or singing.
- Writing audiation: Hearing music internally and converting it to notation.
- Performing audiation: Maintaining internal musical comprehension while playing or singing.
Gordon's Skill Learning Sequence
| Level | Label | Activity |
|---|---|---|
| 1 | Aural/Oral | Hear a pattern, sing it back (no notation) |
| 2 | Verbal Association | Assign solfege syllables or rhythm syllables to the pattern |
| 3 | Partial Synthesis | Combine learned patterns into short melodies |
| 4 | Symbolic Association | Connect patterns to notation |
| 5 | Composite Synthesis | Read 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
- 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.
- 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.
- 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.
- 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
| Phase | Intervals | Presentation |
|---|---|---|
| 1 | P5 and P8 only | Melodic ascending |
| 2 | Add M3 and m3 | Melodic ascending |
| 3 | Add P4, M2, m2 | Melodic ascending and descending |
| 4 | Add M6, m6, M7, m7 | Melodic ascending and descending |
| 5 | Add tritone | All intervals, melodic |
| 6 | All intervals | Harmonic (simultaneous) |
| 7 | All intervals | Out of context (no tonal reference) |
Chord Identification Sequence
| Phase | Chord types |
|---|---|
| 1 | Major vs. minor triads |
| 2 | Add diminished triad |
| 3 | Add augmented triad |
| 4 | Major 7th vs. dominant 7th |
| 5 | Add minor 7th |
| 6 | Add half-diminished and fully diminished 7th |
| 7 | Inversions of all types |
| 8 | Extended chords (9ths, 11ths, 13ths) |
Melodic Dictation Sequence
| Phase | Characteristics |
|---|---|
| 1 | 4-note stepwise melodies in major, narrow range |
| 2 | 8-note melodies with steps and thirds |
| 3 | Add fourths and fifths; minor keys |
| 4 | Longer melodies (2-4 bars) with mixed intervals |
| 5 | Chromatic neighbor tones and passing tones |
| 6 | Melodies with modulation |
| 7 | Melodies 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.