ENGLAND(Wales)"ENGLAND(Wales)" is not in the list (IRELAND(Munster), IRELAND(Connaught), IRELAND(Leinster), IRELAND(Ulster), SCOTLAND(Argyll and Bute), SCOTLAND(Perth and Kinross), SCOTLAND(Dumfries and Galloway), SCOTLAND(South Ayrshire), SCOTLAND(North East), SCOTLAND(Highland), ...) of allowed values for the "Has historical geographical allegiances" property.
X: 85
T:Difyrrwch Corbett o Ynysmaengwyn
M:6/8
L:1/8
Q:120
C:Trad. arr J.T.
R:Jig
N:A minor arrangement
F:http://john-chambers.us/~jc/music/abc/mirror/mochpryderi.com/src/John_Toses_Tune_Collection.html
K:G
E2 A AGA | FGA E2 D | EFG ABc | d2 B G2 E |
E2 A AGA| FGA E2 D | EFG ABc | dBG A3 :|
|: A2 B c2 A | cdc B2 A | B2 A B2 A | B2 c BGE |
A2 B c2 A | cdc B2 A | B2 A B2 c | BAG A3:||