Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:6/8
K:G
['DEG DEG', 'gab age']  
X:1
L:1/8
M:6/8
K:G
|: DEG DEG | DEG B3 | DEG B3 | dBA dBA | DEG DEG | DEG B3 | dBd gfe | dBA G3 :: gab age | deg B3 | 
 gab age | dBd e2 d | gab age | deg B3 | dBd gfe | dBa g3 :|  