Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/8=200
M:2/4
K:G
['B2 A2']  
X:1
L:1/8
Q:1/8=200
M:2/4
K:G
 B2 GE | DG G2 | A2 ^GA | (3(BG)E D2 | D2 ^CD | Ec B2 | A2 BA | D4 | A2 BA | GE D2 | B2 cB | 
 EB A2 | D2 ED | Dc B2 | A2 EF | G4 |]  