Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
['FEFA cBAB cAdA cAGE F3 d cA', 'D2 defg']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 FEFA cBAB | cAdA cAGE | F3 d cA A2 | cAGE FD D2 :| defg afdf | efed cA A2 | defg af a2 | 
 ABAG FD D2 | defg afbf | gfed cdef | a4 g3 c | dcBA FD D2 |]  