The four modes that we meet up with both in Anglo-American folk song and fiddle tunes are the Ionian (major scale), Mixolydian, Dorian, and Aeolian (natural minor scale).
You might, say, play the scales, the major and minor scales, to help you with your musical ability or your musical proficiency – your ability to play the piano.
都会遇到四种
，它们分别是艾奥
可以，比如说，演
，大调和小调，
帮助
