{
  "options": {
        "chord_change_token": true,
        "melody_end_token": true,
        "chord_duration_token": true,
        "density_token": true,
        "next_chord_token": true,
        "will_end_token": true,
        "dissonance_token": true,
        "amplitude_token": true,
        "average_octave_token": true,
        "chord_extension_token": true
    }
}