This is a SoundFont of tones that, similar to a Shepard tone, are octave-neutral: Each note has over- and undertones across the audible range, all at equal volumes. This makes it sound kind of like an organ grinder, incidentally. This SF2 is tuned to 432Hz natural A. Let me know if you'd like a version tuned to the 440Hz industry standard A. Enjoy!

S.D.G.