Build music. Like Mozart did.
Learn Mozart's rules. Build real compositions. Practice sight-reading with music that sounds like music.
Learn
12 free books. 150+ chapters. The complete classical composition curriculum, from first note to full movement.
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10 interactive kits. Compose real music with Mozart's rules. Hear what you build. Keep what you make.
See composition kitsPractice
Sight-read music generated fresh every time. Not random notes. Real voice leading, real schemata, real cadences.
Try sight-reading“People err who think my art comes easily to me. I assure you, dear friend, no one has given so much care to the study of composition as I.”
— Wolfgang Amadeus Mozart, letter, c. 1783The Curriculum
12 books. Start at the beginning and work forward — each one builds on the last.
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00
The Basics
Notes, scales, keys, intervals, meter, chords, and Roman numerals. Where everything begins.
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01
Counterpoint
Two voices moving together. Species counterpoint, voice-leading rules, and two-part writing.
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02
Figured Bass
The shorthand of the Baroque. Read figures, realize harmony, master the Rule of the Octave.
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03
Partimento
Build a full composition from a single bass line. Cadences, sequences, imitation, and fugue.
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04
Harmony
Every chord and progression in Mozart's language. The harmonic cycle, root motion, and voice leading.
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05
Schemata
27 galant patterns. Prinner, Fonte, Do-Re-Mi, and more. The melodic vocabulary of the Classical style.
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06
Cadences & Modulation
How phrases end and keys change. Every cadence type, pivot chords, and modulation paths.
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07
Galant Schemata
Deploying schemata in real compositions. Position, selection, transition, and metric flexibility.
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08
Text Setting
Italian prosody, aria form, recitative, and vocal writing. Setting words to music in Mozart's style.
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09
The Pipeline
The complete 9-layer workflow. From global decisions to final validation. This is how you compose.
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10
Music Games
Build a musical dice game from scratch. 176 measures, infinite combinations, every one correct.
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11
Fugue
Subject, answer, countersubject. The deepest form of rules-based composition.
Coming 2026
Composition Kits
From assembling premade parts to composing full movements
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1
Historical Dice Games
Play the original musical dice games of Mozart, Stadler, and Calegari. Roll dice, assemble a piece, and hear what 18th-century combinatorial composition sounds like.
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2
Soprano Over Bass
Bass line is fixed. Choose soprano variants bar by bar to practice melodic shaping inside stable harmony.
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3
Harmonize This Bass
Choose the figures for a bass line. The site realizes your harmony into four voices.
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4
Your First Minuet
All 9 layers of the composition system. Pick a key, choose schemas, generate a full score.
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5
Theme & Variations
Transform a theme: new accompaniment, minor mode, different ornaments. One skeleton, infinite pieces.
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6
Build a Theme
Full creative control. Choose topic, schemas, cadences, and ornament style. Design a 16-bar theme.
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7
Sonata Exposition
Design P-zone, transition, S-zone, and closing. Full exposition through the 9-layer pipeline.
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8
First Fugue
Design a subject, derive the answer, write a countersubject. The deepest rules-based creativity.
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9
Design a Dice Game
Compose the measures for a dice game. If every random combination works, you understand the rules.
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10
Full Movement
Sonata form, rondo, or concerto. All 9 layers under your control. You are composing like Mozart.
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V
Seam Inspector
Audit barline seams, stress-test combinations, and export a transition certification report.
Coming soon
Sight-Reading Trainer
Every exercise is generated by the same engine that powers Mozart's dice games. Not random notes — real voice leading, real galant schemata, real cadences. Fresh music every time you practice.
“Everything has been composed, but not yet written down.”
— Mozart, letter to Leopold Mozart, 30 December 1780