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:6/8
K:C
['Add dcd', 'd2 A dfa afd Bgf gec', 'B AFA']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:C
[K:D]O .MA | Add dcd | efg afd | Add dcd | edc d2 A | Add dcd | efg aga | bab afd | gec d2 :| A | 
 dfa afd | Bgf gec | dcd Bgd | edc d2 A | dfa afd | Bgf gec | dAF DFA | Bec d2 :|[M:9/8] B | 
 AFA GEc d2 B | AFA GFE D2 F/G/ | AFA GEa a2 g | fdf gec d2 B/B/ | AFA GEc d2 B | AFA GFE D2 F/G/ | 
 AFA GEa a2 g/g/ | fdf gec d2 :|  