Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:4/4
K:G
['GABc dBcA fdcA BGGE FGAB c2 Bc', 'fdde =f2 cf Afcf =fedc AG^FD Gggf'  
X:1
L:1/8
M:4/4
K:G
|: GABc dBcA | fdcA BGGE | FGAB c2 Bc | dBcA BGGF | GBAc Bdce | dgfa gfdc | Bdgf dcAF |1 
 DGGF G3 D :|2 DGGF G2 Bd |: g2 dg Bgdg | gbag fdde | =f2 cf Afcf | =fedc AG^FD | Gggf gfdc | 
 Bcde fdcd | gfde fdcA |1 BGAF DGBd ||2 BGAF G4 ||  