Compose a musical work that seamlessly incorporates the assigned motif and abides by the given alphabetical pattern.
X:1
L:1/4
M:3/1
K:A
['=c4 d2']  
X:1
L:1/4
M:3/1
K:A
 e2 | =c4 A4 e2 d2 | =c3 B c2 A4 e2 | d4 B4 =c2 d2 | e12 | e4 d4 =c2 d2 | B8 z2 B2 | d4 B4 e2 d2 | 
 e3 d e2 =c4 d2 | e4 =c4 d2 B2 | A12 | e4 =c4 d2 B2 | A8 z2 |]  