Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['G2 DG', 'BGFG DGBA']  
X:1
L:1/8
M:4/4
K:G
 GF | G2 DG BGFG | Bdef gdB^G | A2 EA cAEA | (3Bcd ef gedB | G2 DG BGDG | Bdef gdBG | ceAc BdGB | 
 AFDF G2 :| GF | GGDG BGFG | DGBA GFE^G | A2 EA cA^GA | EAcB AGFE | G2 DG BGFG | DGBA GFED | 
 ceAc BdGB | AFDF G2 :|  