Construct a musical piece that integrates the provided motif and corresponds to the indicated musical structure.
X:1
L:1/8
M:4/4
K:G
['dBBd cAAB', 'A2 Ac B2', 'G4 B2 Bd dcBc A2 Ac B2'  
X:1
L:1/8
M:4/4
K:G
 g | dBBd cAAB | Ggfg e2 dg | dBBd cAAB | GBdB G3 :: A2 Ac B2 d2 | A2 Ac B2 d2 | A2 Ac B2 de | 
 dcBA G4 :: B2 Bd dcBc | A2 Ac B2 G2 | GABc defg | dcBA G4"^DC" :|  