Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:2/4
K:G
['B2 Bd', 'BG Bd'  
X:1
L:1/8
M:2/4
K:G
 B2 Bd | cA F>A | B2 Bd | c2 A2 | B2 Bd | cA FA | BG Ac | B2 G2 :: BG Bd | BG Bd | BG Bd | e2 c2 | 
 BG Bd | BG Bd | AF Ac | B2 G2 :|  