music-tonality

Original：🇺🇸 English

Translated

Analyze tonality — key detection, chord progression, melody contour

1installs

Added on2026-02-07

NPX Install

npx skill4agent add benzema216/dreamina-claude-skills music-tonality

Detect musical key, mode, chord progression, and melody pitch contour.

/music-tonality <audio_file_path>

bash

python3 -m music_analyzer tonality "<audio_file_path>"

Present results:
- Key: Detected key and mode (e.g. "C major", "A minor")
- Confidence: Key detection confidence
- Chord Progression: Sequence of chords with timestamps
- Melody Contour: Simplified pitch contour (sampled Hz values)

Essentia (standard/full tier): Uses essentia's KeyExtractor and ChordsDetection
Librosa (lite tier): Krumhansl-Schmuckler key profiles + template-based chord matching

Field	Description
`key`	Estimated key (e.g. "C major")
`key_confidence`	Confidence 0-1
`mode`	"major" or "minor"
`chords`	Chord events with time, duration, label
`melody_contour`	Sampled pitch values in Hz