THIRI Chord Intelligence

• analyze_chord — Parse a chord into root, quality, intervals, and (with a key) roman numeral + function.
• resolve_chord — Resolve a chord to spelled notes, frequencies, MIDI, and recommended scales.
• generate_voicing — Instrument-ready voicing in a style. Tension symbols voice by seat substitution (arranging practice, not stacking): 9/b9/#9 replace the root, #11/13/b13 replace
• reharmonize — Reharmonize a progression. Techniques: tritone_sub, ii_v_insertion, modal_interchange, diminished_passing, secondary_dominant, chain_of_dominants, coltrane_chan
• conduct_band — Arrange a 4-piece band from a natural-language prompt. Returns conductor tempo/groove, 4 lanes of note events, lead sheet, and base64 MIDI. Audio render (Csound

No long description beyond the summary.