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
['D D']  
X:1
L:1/4
M:4/4
K:G
 D/D/ | D D G3/2 A/ | B d2 d/d/ | B B A G | C3 E/E/ | D D F A | B A2 G/G/ | F G F E | D3 D/-D/ | 
 D D G3/2 A/ | B d2 c/c/ | B B A G | C3 E/E/ | D F A3/2 A/ | B A A3/2 G/ | F D E F | G3 ||  