Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:2/4
K:G
['G>A Bd c2', 'de/f/ gf ed c2 de/f/ ga/g/ fd']  
X:1
L:1/8
M:2/4
K:G
|: G>A Bd | c2 BG | c2 BG | A>G FD | G>A Bd | c2 BA/B/ | cB AF |1 G2 GD :|2 GB de/f/ |: gd fd | 
 ed de/f/ | gf ed | c2 de/f/ | ga/g/ fd | ed BA/B/ | cB AF |1 GB de/f/ :|2 G2 GD ||  