Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:2/2
K:A
['A2 A,2 AcBA B2 E2 BdcB', 'e4 ecac ecac d2 cB BEdE BEdE']  
X:1
L:1/8
M:2/2
K:A
 A2 A,2 AcBA | B2 E2 BdcB | c2 A2 cedc | BAGF E3 G | A2 A,2 AcBA | B2 E2 BdcB | ce^df egfa | 
 gef^d e4 :: ecac ecac | d2 cB BEdE | BEdE c2 BA | AEcA ecfd | geaf{a} g2 fe | 
 a(f/g/a)f e(c/d/ e)c | d(B/c/ d)c BGEe | caBg a2 A2 :|  