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/G/E/ D', 'b b']  
X:1
L:1/4
M:4/4
K:G
 B/c/ | d g- g e | d/e/d/c/ B/A/G/E/ | D G G A | B2 B3/2 c/ | d g g e | d/e/d/c/ B/A/ G/4F/4E/ | 
 D a- a b | a2 a2 | g b g3/2 e/ | d/e/d/c/ B/A/G/E/ | D G- G A | B2 B d | e e c/B/ A | 
 d d B/A/G/E/ | D G G A | G2- G || a | b b g/f/ e | b b g/f/ e | b b- b c' | b2 g2 | a a f/e/ d | 
 a a f/e/d/4e/4f/ | a a- a b | f2- f2 | b b g/f/e/g/ | b b g/f/ e | b b- b c' | b2 g2 | 
 .b .b .a .a | .g .g f2 | f a/g/ f/g/a/g/ | f/4g/4f/ e d ||  