John Carlos Baez on Nostr: Similarly, a 'diminished seventh' is any 4 notes that form a square! Here's what an ...

Similarly, a 'diminished seventh' is any 4 notes that form a square!

Here's what an augmented triad sounds like:

https://en.wikipedia.org/wiki/Augmented_triad

and here's a diminished seventh:

https://en.wikipedia.org/wiki/Diminished_seventh_chord

(2/2)