Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=160
M:4/4
K:G
['dedc A2', 'edcB ABcd e2']  
X:1
L:1/8
Q:1/8=160
M:4/4
K:G
 D2 FA dedc | A2 GE cEGE | D2 FA dedc | A2 GF EFGE | D2 FA dedc | A2 GE cEGE | DEFA dedc | 
 A2 GEED D2 ::[K:D] f2 fgfe d2 | e2 fd edcB | ABcd e2 cd | eaag eaag | fafa fedf | egfd edcB | 
 ABcd e2 dc | A2 GEED D2 :|  