Minor 3rds Dictation Down 1 2 In this lesson, you will hear Minor 3rds played descending (down) and you will write them in music notation. Minor 3rd - Down November 26, 2012 1 2 In this lesson, you will hear Minor 3rds played descending (down) and you will write them in music notation. Minor 3rd – Down Please press the Exercise button below.