Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
Q:1/2=100
M:2/2
K:G
['(BA) G2 DC B,G,B,D ECEG FDFA GBdB', 'G2 df gdBG DFAB cBAG GFED cBcA'  
X:1
L:1/8
Q:1/2=100
M:2/2
K:G
 (BA) | G2 DC B,G,B,D | ECEG FDFA | GBdB cBAG | F2 A2 A2 (BA) | G2 DC B,G,B,D | ECEG FDFA | 
 GBdB cBAG | D2 G2 G2 :: df | gdBG DFAB | cBAG GFED | cBcA BdBG | F2 D2 D2 (GF) | ECEG cBAG | 
 FDFA dcBA | Ggfe dcBA | B2 G2 G2 :|  