Lesson 6

 Lesson 6: Intervals


Lecture Notes:

  • The inversion of an interval adds up to 9. For example, A major 2nd inverted is a minor 7th. (Also note that the quality of the interval flips. Example: major would be minor.)
Image from:
https://musictheorysite.wordpress.com/category/pitch/

  • The 1st, 4th, and 5th notes of the scale will always be a major 3rd. Every other note will be a minor third.
  • With intervals, every identical line and space will be either a 3rd, 5th, or 7th. However, every unidentical line and space will become either a 2nd, 4th, 6th, or 8ve.
Image from:
https://hellomusictheory.com/learn/intervals/

  • There are four different ways to change the interval size:
  1.  If you raise the top note, you make the interval larger.
  2. If you lower the bottom note, you make the interval larger.
  3. If you lower the top note, you make the interval smaller.
  4. If you raise the bottom note, you make the interval smaller.



Here's a YouTube video from David Bennet Piano. In this video, he shows how to identify ascending intervals by ear using famous melodies and know what the gap is between them.





Here's a YouTube video from Saher Galt. In this video, he gives a lesson on how to identify musical intervals on a more theoretical side. He includes musical distances and interval qualities. He even goes as far as identifying Augmented intervals. 



Here's a video of me playing each interval and inversion from the tonic note using D♭ major and its relative B♭ minor.

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