Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:9/4
K:G
['B2 dB', 'AB GDGA B2 GA Bded BAB def', 'e2 Bd e2']  
X:1
L:1/8
M:9/4
K:G
 GDGA B2 dB e d2 A B2 dB AB | GDGA B2 dB edge d2 AB AB | GDGA B2 dB e d2 A B2 dB AB | 
 G3 A B2 dB edge d2 AB AB |: GDGA B2 GA Bded BAB def | g2 ab g2 dB dede fgf edB | 
 A2 Bd A2 d2 edBA ABd deg | abed e2 AB dede g2 e dBA :: e2 Bd e2 AB dedB ABd EGB | 
 AGAB d2 AB ded aded ged | e2 Bd e2 gf dedB dgf dBG |1 A2 AB dABde dAB ded ABd :|2 
 A2 AB dABd edAB ded BAB ||  