header {
        content = id-by-name, chord, chord-voicing
        musicformat = chord
	random_transpose = accidentals, -5, 5
        title = "Minor 9 and 9 chords"
}
question { name = "9" "c' e' g' bes' d''" }
question { name = "m9" "c' es' g' bes' d''" }
