Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:Emin
['BE (3EEE{c} BAFA B2 Bc', 'Be (3eee dfed Beef gefd BABc dedB']  
X:1
L:1/8
M:4/4
K:Emin
 A | BE (3EEE{c} BAFA | B2 Bc BAFG | AD (3DDD ADFG | A2 Ad BAGA | BE (3EEE{c} BAFA | B2 Bc BAFE | 
 DFAd fdef | dBAF EFG :: A | Be (3eee dfed | Beef gefd | BABc dedB | AF d2 defd | Be (3eee dfed | 
 Beef gefd | BABc dedB | AFDF EFG :|2 AFDF E2 E |]  