header {
        content = chord, id-by-name, chord-voicing
        musicformat = chord
	random_transpose = accidentals, -5, 5
        title = "Major seventh, diminished seventh and half diminished seventh chords"
}
question { name="maj7" "c' e' g' b'" }
question { name="m7b5" "c' es' ges' bes'" }
question { name="dim7" "c' es' ges' beses'" }
