{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://got-feedback.github.io/feedpak-spec/schemas/harmony.schema.json",
  "$comment": "SPDX-License-Identifier: MIT. feedpak harmony.json (song-level intended chord progression). See spec/feedpak-v1.md §7.8.",
  "title": "feedpak song-level harmony track",
  "type": "object",
  "required": ["version", "events"],
  "additionalProperties": true,
  "properties": {
    "version": { "type": "integer", "minimum": 1 },
    "events": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["t"],
        "additionalProperties": true,
        "properties": {
          "t": { "type": "number" },
          "root": {
            "type": ["string", "null"],
            "$comment": "Absolute chord root note name (e.g. \"G\", \"F#\", \"Bb\"); null marks a no-chord (N.C.) event."
          },
          "quality": { "type": "string" },
          "rn": { "type": "string" },
          "bass": { "type": "string" }
        }
      }
    }
  }
}