Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:G
['G3 G', 'G6 d2 BA (G2 G2) AG FD'  
X:1
L:1/8
M:4/4
K:G
 (3DEF | G3 G AGED | D6 (3EFG | A3 A BGAF | G3 G G2 (3DEF | G3 G AGED | D6 (3EFG | A3 A BGAF | 
 G6 || d2 | BA (G2 G2) AG | FD (D2 D2) (3EFG | A4 BAGE | D6 (3EGA | B4 B2 AG | Bd (d2 d2) BA | 
 A3 A BGAF | G6 ||  