Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:4/4
K:G
['(3GAB DE GB d2 (3cde AB cd', 'Bd ed'  
X:1
L:1/8
M:4/4
K:G
 BA | (3GAB DE GB d2 | (3cde AB cd e2 | ed Bd gd BG | (3ABc BG AG E2 | (3GAB DE GB d2 | 
 (3cde AB cd e2 | ed Bd gd BG | (3ABc BA G2 :: f2 | gd Bd ed Bd | gd Bd ed BA | GA Bd ed BG | 
 (3ABc BG AG E2 | (3GAB DE GB d2 | (3cde AB cd e2 | ed Bd gd BG | (3ABc BA G2 :|  