Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/8
M:2/4
K:D
['A, A,F,DA, F2 DB, A,F,E,G, F,3 F,']  
X:1
L:1/8
M:2/4
K:D
 A, | A,F,DA, | F2 DB, | A,F,E,G, | F,3 F, | F,CDC | C2 B, z | C2 B,A, | F4- | F4- | F2 z2 | 
 A,2 F,D | A,4- | A,2 z2 | z3 |]  