Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:2/4
K:G
['Bd cA', 'g2 df/d/'  
X:1
L:1/8
M:2/4
K:G
|: Bd cA | D2 B2 | D2 A2 | D2 BA | Bd cA | D2 BA | Bd cA |1 G2 GA :|2 G2 gf |: e2 e^c | d2 de | 
 f2 fd | g2 gf | e2 ef | ed BA | B/^c/d ef | gd ef | g2 df/d/ | BG G2 | FA AB | GB Bd | g2 df/d/ | 
 B2 BA | Bd cA |1 Gg- gf :|2 G2 GA ||  