USA/Mid-Atlantic"USA/Mid-Atlantic" 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:It Thundered in the East
M:4/4
L:1/8
S:T. Patterson (southwestern Pa., 1930's)
B:Bayard - Dance to the Fiddle, March to the Fife (1981, No. 89)
K:G
D2|G2G2B2dB|cBce d2BA|G2G2B2d2|cBAG F2D2|
G2 GA B2 dB|cBcA d3d|gfge dedc|B2G2G2||
d2|g2g2f2d2|g2g2 fe d2|g2 gf ea2g|fe d2d2d2|
g3g f2f2|e2e2 d3d|c2 cB A2 dc|B2G2G2||