Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:4/4
K:A
['cd edcd eagf feee e2 cd efec', '^defe =dcdB']  
X:1
L:1/8
M:4/4
K:A
 cd | edcd eagf | feee e2 cd | efec efec | cBBB B2 cd | edcd eagf | feee e2 cd | efec BABc | 
 BAAA A2 :: e | ^defe =dcdB | ceAe ceAe | ^defe =dcdB | BAAA A2 e2 | ^defe =dcdB | ceAe ceAe | 
 dcde fefg | baaa a2 :|  