Compose a piece of music based on the provided motif and adhering to the outlined musical structure.
X:1
L:1/8
M:3/4
K:G
['GA B4', 'GA B4'  
X:1
L:1/8
M:3/4
K:G
 GA B4 | DE G4 | EG A2 BA | GA B4 | G2 c4 | BA c4 | de G4 | EG G4 | cB AG =F2 | A=F E4 | GE D2 E2 | 
 G2 FG G2 :| GA B4 | GB d4 | Bd e4 | f2 gf ef | g2 d2 B2- | BA GA Bc | d4 Bd | g2 (3aba ga | 
 b2 g4 | d2 gf e2 | fg e2 d2- | d2 cB A2- | A2{B} A2 GA | B4 G2 | c4 BA | c4 de | G4 E2 | 
 G2{A} G4 | cB AG =F2- | F2 A=F E2- | E2 GE DE | G2{A} G4 ||  