Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:C
['cBAG E3 D EGGF']  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:G] exac a!p!!p! ued bE e!p!eca ce a e!p! a .B ua ea"^Irish"[Q:1/8=100] A/B/ | cBAG E3 D | 
 EGGF G4 | GABc d2 de | cBAG B4 | GABc d2 eg | e/d/c/B/ AG Bdgd | cBAG E3 D | EGGF G3 :|  