Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
['B/A/ BFD B,2']  
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
 B/A/ | BFD B,2 B/A/ | BFD B,2 E/D/ | EGE DFD | CDC C2 |:  