> In a message dated 96-04-16 18:58:40 EDT, you write: > > >I think that that (2^(6/12) in equal-tempering) is part > >of what's known as the Devil's Triad, AKA a diminished 7th; > >at any rate, a nice refernce is _The Myth of Invariance_ > >by McSomebody. > > > > > > I've never heard of the Devil's Triad, but the Devil's interval is an > augmented fourth (or diminished fifth: they're the same in the tempered > scale). The ratio is 2^(6/12). It's the interval you hear in the solo > violin at the beginning of Saint-Saen's Danse Macabre. >
I, too, have heard of the Devil's Interval (ratio root2) as a part of "The Devil's Triad". Can anyone tell us the third note? Also, if the inverted version of this "Devil's Triad" has a special name of its own?