Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:C
['FA GF ED', 'c2 c2']  
X:1
L:1/8
M:4/4
K:C
"G" GA Bc dc Bd |"C" c2 c2 c2 (3GAB ||S"C" cG EG"G" FA GF |"C" ED EG"G" FA GF |"C" ED CD ED CE | 
"G" D2 G2 G2 (3GAB |"C" cG EG"G" FA GF |"C" ED EG"G" FA GF | GA Bc dc Bd |1"C" c2 c2 c2 (3GAB :|2 
"C" c2 c2 c4 |:"G" dB GB d4 |"C" ed cA G4 |"G" dB GB d4 |"C" ed cA G4 |"F" AF CF Ac BA | 
"C" GE CE Gc BA |"G" GA Bc dc Bd |1"C" c2 c2 c4 :|2"C" c2 c2 c2 (3GASB ||  