Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:2/2
K:G
['G2 BG', 'dg g2'  
X:1
L:1/8
M:2/2
K:G
 G2 BG DGBG | A2 eg fdcA | G2 BG DGBd | cAFA AG G2 :| dg g2 dg g2 | df f2 df f2 | dg g2 dg g2 | 
 d^cde fd=cA | dg g2 bgag | fdde fefg | af (3gfe fde^c | d2 eg fdcA ||  