Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/8
M:4/4
K:D
['', 'BABd e3', 'eAde affe d2 ef- fgfd']  
X:1
L:1/8
M:4/4
K:D
 e |: f3 f- fedf | eB(3BBB BABd | e3 e- eAde | af(3fff fede | f3 f- fedf | eB(3BBB BABd | 
 e3 e- eAde |1 affe d2 e2 :|2 affe d2 dA |: B3 B- BABd | e3 e- eAde | affe d2 ef- | fgfd edBA | 
 B3 B- BABd | e3 e- eAde | affe d2 ef- | fgfd edBA :|  