Assemble a musical creation that incorporates the furnished motif and conforms to the predetermined alphabetical structure.
X:1
L:1/4
M:4/4
K:G
['', 'B A', 'B A']  
X:1
L:1/4
M:4/4
K:G
 G3/2 A/ |: B d G3/2 A/ | G D G A | B d G d | e g2 f/e/ | d B A G | E e2 d/B/ | d B A B/A/ |1 
 G2 G3/2 A/ :|2 G2 G e/f/ |: g/f/e/f/ g B | A e2 B/A/ | G3/2 A/ G G | E D e f | g/f/e/f/ g B | 
 A B c d | e B A B/A/ |1 G2 G e/f/ :|2 G2 ||  