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planet4dPlanet 4D Orinal Model feature the most Symmetrical Positionning for 12 Notes or Musical Objects ↩︎; On the Hypersphere of Chords, we display all minor ans major Triads ↩︎;PLANET4D OFFICIAL > Only members can see who's in the group and what they post. 󰛻. Visible. Anyone can find this group. 󰛐. View group info. See more