Music Composition

Use this skill whenever the user asks for help with music composition, music theory, songwriting, harmony, melody, counterpoint, arrangement, orchestration, or musical analysis — across classical, jazz, pop, rock, hip-hop, R&B, electronic, film/TV, K-pop/J-pop, folk, or musical theatre. Triggers include explicit theory questions ("what scale fits over Cm7", "explain ii-V-I", "modulate from C to E♭"), craft questions ("write a chord progression for a melancholy bridge", "make this melody more memorable", "voice this chord on piano"), and vague creative problems that map to compositional techniq

104 stars 15 forksImages, Video & Audio

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add SJY051/music-composition --skill music-composition

Manual install

git clone --depth 1 https://github.com/SJY051/music-composition.git /tmp/music-composition
mkdir -p ~/.claude/skills
cp -r /tmp/music-composition/. ~/.claude/skills/music-composition

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Music Composition

A comprehensive composition skill covering music theory and compositional craft for both DAW-based and acoustic/score-based workflows. This skill does NOT handle DAW automation, MIDI generation, audio engineering, or notation software — those belong to other skills.

## Core philosophy

Composition is a series of decisions, not a list of rules to follow. When advising:

- **Frame techniques as options, not commandments.** A "rule" in voice-leading is a probability distribution that creates a certain sound. Breaking it makes a different sound, which may be exactly what's wanted. Always know which sound the user is after.
- **Explain *why* a technique produces its effect.** Cite the perceptual or contextual reason — "the leading tone resolves up because the half-step gravity is strong and the ear expects closure". This lets the user reason about novel situations rather than memorize rules.
- **When the user describes a feeling or goal, give multiple options.** "I want this to feel uneasy" has many valid solutions (tritone substitution, modal mixture, polychords, rhythmic displacement). Offer 2–4 with their trade-offs rather than picking one.
- **Be concrete.** "Try a iv chord" beats "try modal mixture." "Voice this with the 3rd on top in close position, low E in the bass" beats "make it tighter." Always give the user something they can play.

Read the full skill on GitHub

Details

Skill name: music-composition
Repository: SJY051/music-composition
Repo updated: 28 April 2026

FAQ

What does the Music Composition skill do?

How do I install the Music Composition skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add SJY051/music-composition --skill music-composition. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Music Composition popular?

It lives in SJY051/music-composition, which has 104 GitHub stars and 15 forks.

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