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:1
T:Marged fwyn uch Ifan
T:Gentle Margaret the Daughter of Evan
M:3/4
L:1/8
R:Air
Q:”Andante”
B:Bennett – Alawon Fy Ngwlad/Lays of My Land, vol. 1 (1896, p. 7)
N: Nicholas Bennett's Collection of Old Welsh Airs
Z:AK/Fiddler’s Companion
K:Amin
(BA)|^G2B2B2|e2 (BAB^G)|(BA^GBAc)|(Bc)(de)(cd)|(Bc)(dB)(cA)|
(^GABcdB)|e2 (dc)(BA)|(A2^G2)||(Bc)|d2d2e2|d2c2 B2|
[E4c4] [c2e2]|(cdefge)|(defedc)|(BcdcBA)|(G2^F2) [B,2G2]|
(Bcdecd)|G2c2d2|e2 (dc)(BA)|(A2^G2) (AB)|c2 Bc A2|B4 (cA)|(^GABcdB)|e2 (dcBA)|(^G2A2)||