Essential information. And simple!
You can’t build scales or chords without knowing these two intervals.
Bottom line: The language of intervals is essential to learning all your scales and chords without resorting to the nearly-impossible task of rote memorization!
I’ve had lots of happy feedback about this lesson, ever since I first posted it on YouTube. People are basically saying that this is the easiest way they have found to learn the notes of all twelve major scales, quickly and painlessly. I learned about tetrachords in my college theory classes, and I have found them to be a little-known “secret” for organizing one’s thoughts about scales and modes. Let me know what you think!
Here’s a straightforward way to play impressive sounding arpeggios on your key keyboard. This sounds especially nice on piano when using the sustain pedal.