KindContents: ["none" | "augmented" | "augmented-seventh" | "diminished" | "diminished-seventh" | "dominant" | "dominant-11th" | "dominant-13th" | "dominant-ninth" | "French" | "German" | "half-diminished" | "Italian" | "major" | "major-11th" | "major-13th" | "major-minor" | "major-ninth" | "major-seventh" | "major-sixth" | "minor" | "minor-11th" | "minor-13th" | "minor-ninth" | "minor-seventh" | "minor-sixth" | "Neapolitan" | "other" | "pedal" | "power" | "suspended-fourth" | "suspended-second" | "Tristan"]