Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/4
M:2/4
K:G
['d b a g d3 (3c/B/A/ G', 'G B'  
X:1
L:1/4
M:2/4
K:G
 B/c/ | d b a g | d3 (3c/B/A/ | G B d f | a2 e2 | e c' c' e | f3 e | d/e/d/c/ B _B | B2 B c | 
 d b a g | d3 (3c/B/A/ | G B d f | a2 e2 | e c' c' e | f3 e | d/e/d/c/ A B | G2 G :: B/c/ | 
 d G B B/c/ | d G B G | F/G/A/B/ c B/c/ | e/d/^c/e/ d/=c/B/=c/ | d G B B/c/ | d G B G | 
 F/G/A/B/ c/A/F/A/ | G B G :|  