Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:2/4
K:G
['A B>A BG c>B cA d>e fg', 'bg bg'  
X:1
L:1/8
M:2/4
K:G
 A | B>A BG | c>B cA | d>e fg | a/g/f/a/ g>e | de/f/ gf/e/ | dc B>d | cA BA | G2 G :| g/a/ | 
 bg bg | bg bg | aa/g/ aa/g/ | a/b/a/g/ e/f/g/e/ | de/f/ gf/e/ | dc B>d | cA BA | G2 G :|  