Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/16
M:2/4
K:G
['BcBA GDGB dcBc A4 DEFG A2AB', 'B2d2 E2FG AGFE D4 DEFG A2AB'  
X:1
L:1/16
M:2/4
K:G
 BcBA GDGB | dcBc A4 | DEFG A2AB | cBAc B2G2 | BcBA GDGB | dcBc A4 | DEFG A2AB | cBAF G4 :: 
 B2d2 E2FG | AGFE D4 | DEFG A2AB | cBAc B2G2 | B2d2 E2FG | AGFE D4 | DEFG A2AB | cBAF G4 :|  