Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
M:3/4
K:G
['GA B2 c2 B4 A2', 'B2 c2']  
X:1
L:1/8
M:3/4
K:G
 GA B2 c2 | B4 A2 | GB d2 c2 | BABc B2 | GA B2 c2 | B4 A2 | GBdBcA | G4 G,2 :: A2 B2 c2 | 
 B2 c2 d2 | g2 d2 c2 | BcdB G2 | GA B2 c2 | B4 A2 | GBdBcA | G4 G,2 :|  