18ed5/2

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This scale is a neutral Mixolydian mode of the Middletown relative of Whitewood temperament, or the White Oak scale. The Middletown Valley relatives of Blackwood temperament are:

Fair Terra Rubra: bi-equal tetrad

Fair Tritetrachordal: Middletown Valley Double Augmented

Fair Montrose: Vesuvius Marcodiminished

Unfair Montrose: Annapolis~Oriole Macro-Blackwood

Unfair Tritetrachordal: Mt. Airy

Unfair Terra Rubra: Westminster

Degrees Enneatonic Dodecatonic ed38\29 Pyrite ed5/2 ed(7φ+6)\5(φ+1) (~68ed8!) ed4\3=
1 FG G 1#/2b 87.356 87.448 88.1285 88.2405 88.889
2 G J A J A 2 174.713 174.897 176.257 176.481 177.778
3 GJ GA J^/Ab A^/Bb Jv/A\\ Av/B\\ 3 262.069 262.345 264.386 264.721 266.667
4 J A J^^/Aw A^^/Bw Jw/A^^ Aw/B^^ 3#/4b 349.425 349.794 352.514 352.962 355.556
5 JA AB J#/Av A#/Bv Jp/A^ Ap/B^ 4 436.782 437.242 440.643 441.202 444.444
6 A B A B A B 5 524.138 524.6905 528.771 529.443 533.333
7 AB BH B H B H 5#/6b 611.494 612.139 616.9 617.683 622.222
8 B H H C H C 6 698.851 699.587 705.028 705.924 711.111
9 BH HC H^/Cb C^/Db Hv/C\\ Cv/D\\ 7 786.207 787.036 793.157 794.164 800
10 H C H^^/Cw C^^/Dw Hw/C^^ Cw/D^^ 7#/8b 873.563 874.484 881.285 882.4045 888.888
11 HC CD H#/Cv C#/Dv Hp/C^ Cp/D^ 8 960.9195 961.9325 969.414 970.645 977.778
12 C D C D C D 9 1048.276 1049.381 1057.5425 1058.885 1066.667
13 CD DS D S D S 9#/Xb 1135.632 1136.829 1145.671 1147.126 1155.556
14 D S E X 1222.9885 1224.278 1233.8 1235.366 1244.444
15 DE SE E^/Fb Ev/F\\ E 1310.345 1311.726 1321.928 1323.607 1333.333
16 E E^^/Fw Ew/F^^ E#/0b 1397.701 1399.175 1410.0566 1411.847 1422.222
17 EF E#/Fv Ep/F^ 0 1485.0575 1486.30. 1498.185 1500.088 1511.111
18 F 1 1572.414 1574.0715 1586.314 1588.328 1600