I think you might have it the other way around. The 7th harmonic is the real 7th...

		ses1984 25 days ago \| parent \| context \| favorite \| on: Why can't you tune your guitar? (2019) I think you might have it the other way around. The 7th harmonic is the real 7th harmonic, but the 7th note above the harmonic is tuned to equal temperament.