Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/4
K:G
['DGGF EDGA B2 G2 ABcB AGAF G2', 'B2 BAGF E2 E2 A2 A2 AGFE'  
X:1
L:1/8
M:2/4
K:G
|: DGGF | EDGA | B2 G2 | ABcB | AGAF | G2 G2 :|"^2.f." B2 B2 | BAGF | E2 E2 | A2 A2 | AGFE | DGAF | 
 GGAF | G2 G2 |]  