Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/2
K:D
['dfaf ge e2', 'dcBA GFED', 'ffff gggg']  
X:1
L:1/8
M:2/2
K:D
 dfaf ge e2 | fddd e/d/c/B/ A2 | dfaf ge e2 | fdec d4 :: dcBA GFED | FAdF GE E2 | dcBA GFED | 
 fdec d2 d2 :: ffff gggg | ffff ec A2 | ffff gggg | fdec d2 d2 :|  