10.5. Glossary

Allowed Keys: Independent root and mode filters applied to both boundaries of every eligible Mix track.

Gem: A saved, directed source-to-destination transition approved by the listener.

Harmonic detail: Soft reranking evidence derived from fuller harmonic distributions after a transition is already accepted.

Incoming / outgoing key: The detected key used where a track enters or leaves under start/end matching.

Mix: A tracklist plus the complete planning and sharing state used to create and refine it.

Parent key: The Ionian pitch collection associated with a modal key.

Pre-limiter gain: One common gain recommendation that places the gain-adjusted Mix near its integrated-loudness target before final limiting.

Relation rule: One named directed harmonic predicate inside a transition profile.

Shared collection: A path-free, audio-free snapshot of track identity and analysis metadata.

Transition profile: The ordered collection of enabled relation rules owned by a Mix.