Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:C
['C2 EC cCEC FEDE FDdD EDCD EFGE', 'dc dcBc defd']  
X:1
L:1/8
M:4/4
K:C
|: C2 EC cCEC | FEDE FDdD | EDCD EFGE | FDGE C2 C2 :|{cd} e2 dc{cd} e2 dc | dcBc defd | 
 e2 dc AcGc | edcB c2 c2 |{cd} e2 dc{cd} e2 dc | dcBc defd | ecdB cABG | AFGE FEDE |]  