Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
Q:1/2=70
M:2/2
K:G
['G2 ge dBAG', 'gedc BcdB']  
X:1
L:1/8
Q:1/2=70
M:2/2
K:G
 D | G2 ge dBAG | FDAD BDAD | G2 ge dBAG | DGFA BGG :: B | gedc BcdB | Bccf geeg | gedc BcdB | 
 Ggfa bgg :|  