Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
Q:1/8=120
M:6/8
K:G
['', 'D2 GAG GBc ded dBG AGA BGD', 'GAG GBc ded dBG AGA BGD']  
X:1
L:1/8
Q:1/8=120
M:6/8
K:G
 D2 |: GAG GBc | ded dBG | AGA BGD |1 EGE E2 D :|2 E2 F G2 B || def gag | fed edB | def gag | 
 fed e2 d | def gag | fed efg | GAG GBc | ded dBG | AGA BGD | EGE E2 D | GAG GBc | ded dBG | 
 AGA BGD | E2 F G2 D ||  