Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:C
['(3(Bcd) (AB)', 'gfed Beed Bdef dBAF FEEA Beed BddA']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:Emin] .abc B2 (AF) DEFA | (3(Bcd) (Ad) Bdef | dBAF DEFA ||1 (3(Bcd) (AB) FEEA :|2 
 (3(Bcd) (AB) FE E2 || Beed BddA | Beef gfed | Beed Bdef | dBAF FEEA | Beed BddA | Beef gfga | 
 bgaf gefe | dBAF FE E2 |]  