Build a musical piece by incorporating the given motif into the prescribed form.
X:1
L:1/8
M:2/4
K:G
['B2 BG', 'G4 d2 dB e2 ed c2 cA'  
X:1
L:1/8
M:2/4
K:G
 B2 BG | B2 BG | B2 BG | FDAF | B2 BG | cBAG | FDEF | G4 :: d2 dB | e2 ed | c2 cA | d2 dc | B2 BG | 
 E2 cA | FDEF | G2 G2 :|  