Triads & Pentascales

by group

Group 1 Group 2A Group 2B

Group 3 Group 4 Group 5

Group 1

All white keys

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Group 2a

Black key in the middle

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Group 2b

E and F

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Group 3

B and B-flat

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Group 4

White key in the middle

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Group 5

G-flat and E-flat

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