Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:2/2
K:G
['dB GBdg', 'dg g2', '', 'g3 d', 'dg g2'  
X:1
L:1/8
M:2/2
K:G
 GBdg (3efe dB | GBdg egdg | eA A2 eAcA | (3Bcd ed gedB | GBdg e2 dB | GBdg egdB | cBcd efge | 
 dBAB G4 :: dg g2 bg g2 | dg g2 edBd | eA A2 eAcA | (3Bcd ed gedB | dg g2 bg g2 | dg g2 edBd | 
 cBcd efge | dBAB G4 :|"^Variations:" |: G2 dG egdB | g3 d egdg | eA A2 gAfA | (3ege de gedB | 
 g3 d egdB | g3 d e2 dB | cBcd efge | dBAB G4 :: dg g2 bg g2 | ag g2 bgeg | eA A2 gAfA | 
 (3ege de gedB | dg g2 bg g2 | dg g2 edBd | cBcd efge | dBAB G4 :|  