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
['gfg agf dgg fdc AGG (A/G/FE) DGG', 'cAG (F/G/A).B']  
X:1
L:1/8
M:4/4
K:C
 |[M:6/8][K:G] (3:2:1Td | gfg agf | dgg fdc | AGG (A/G/FE) | DGG AGG | gfg agf | dgg fdc | 
 AGG (A/G/FE) | DGG G2 :: A | ded cAA | ded cAG | (F/G/A).B cAG | (F/G/A).B Tc2 A | ded cAA | 
 ded cAG | (F/G/A).B cAF | AGG G2 :|  