How to pronounce “perfect fifth” in English

It's actually-- you had a perfect fifth between each of the-- in each of the notes.

I would get the G, the perfect fifth.

And, of course, the perfect fifth and what we call the fundamental, the five to the one, is a very powerful chord progression.

Any vibration I make it, any vibration will contain this perfect fifth in it-- with a different amplitude, of course, but it's still there.

naturally from the laws of physics, just from the perfect fifth relation.

third, or major sixth, or minor sixth, or perfect fifth, or tritone, whatever it is.

as I told you, that in the harmonics of the waves, the most constant relationship, aside from the octave, is a perfect fifth.