Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:3/4
K:Gdor
['B2 cB', 'B2 cB'  
X:1
L:1/8
M:3/4
K:Gdor
 AB | D2 ^F2 A2 | AB BG cA |1 B2 cB AG | ^F2 D2 C2 :|2 B2 cB A^F | G4 :: GB | d2 ^cd cd | 
 B2 G2 GA |1 B2 cB AG | ^F2 D2 D2 :|2 B2 cB A^F | G4 :|  