Switch to XeTeX to render. Opens up random OpenType fonts and UTF-8. Also switch to Times New Roman for the main text. The music is set with Postscript Times, so this is the easy approach to better typographic consistency.

X: 1
T: Constant Billy
A: Headington
M: 6/8
L: 1/8
P: A(AB)4
K: G
P: A
D |: GBd B2 B | cBc A2 A | BAG EFG | DEF G2 D :|
P: B
|: Bcd ecB | ABc dBG | Bcd ecB | ABc def |
g2 d B2 B | cBc A2 A | BAG EFG | DEF G3 :|