Yep, I think we're on to something here. Within an octave, only perfect intervals keep the same name when inverted. Major intervals become minor, minor intervals become major, augmented intervals become diminished, and diminished intervals become augmented. But the perfect! Ah! The inverted perfect interval still always remains perfect! <G> Regards, Clyde Hollinger, RPT Lititz, PA, USA Richard Moody wrote: > > > > When fifths and fourths invert, they revert to like intervals (i.e. > > perfect) but major seconds become minor sevenths, major thirds, minor > > sixths, and major sixths, minor thirds. > > OK I will buy that. Perfect intervals invert to perfect intervals. Fifths > and Fourths are perfect and since they invert to each other they are still > perfect, and still in the same scale. Both notes of a Major Second are in > the same scale but inverts to a 7th of some kind, the inverted note is not > in same scale. I will let the Phd's on this list expound on that > one. ---ric
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