Module analysis 

Higher-level inference functions over chords, scales, and keys.

Structs

ChordSuggestion

One suggestion from suggest_next_chords.

ChordSuggestionResult

Result of suggest_next_chords.

KeyMatch

One row of detect_key’s output: a candidate key, the count of input chords that fit it diatonically, and the total chord count.

ScaleSuggestion

One suggestion from suggest_scales_for_bracket: a candidate scale for a lead-line gap between two chords, with which side(s) of the bracket it fits and a human-readable reasoning string.

Enums

SuggestionCategory

What kind of relationship a ChordSuggestion represents.

Functions

detect_key

Score every major key by how many of chords fit diatonically.

suggest_next_chords

Suggest the next chord given the chord history before the cursor and (optionally) a chord at the cursor that should be excluded from suggestions.

suggest_scales_for_bracket

Suggest scales for a lead-line gap bracketed by two chords.