Perfect 4ths and 5ths Writing 1 2 In the next group of lessons you see either a Perfect 4th or Perfect 5th lit up on your instrument and you will write it in music notation. Please press the Exercise button below.January 3, 2013 1 2 In the next group of lessons you see either a Perfect 4th or Perfect 5th lit up on your instrument and you will write it in music notation. Please press the Exercise button below.
