Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:6/8
K:G
['GAG GBd gfe d2 c', 'Bdg dBG']  
X:1
L:1/8
M:6/8
K:G
|: GAG GBd | gfe d2 c | Bdg dBG | FAA A2 D | GAG GBd | gfe d2 c | BdB cAF | GAG G3 :: Bdg dBG | 
 Bdg d2 c | Bdg dBG | FAA A2 c | Bdd def | gfe fdc | B/c/dB cAF | GAG G3 :|  