Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:3/4
K:G
['g2 gb ag fe', '(3(Bcd) e2 d2 c2 BA BG'  
X:1
L:1/8
M:3/4
K:G
 g2 gb ag | fe de fd | g2 gb ag | fe d2 d2 :: (3(Bcd) e2 d2 |"^?" c2 BA BG | (3(Bcd) e2 d2 | 
"^?" c2 BA BG | dd ed cB | (3(AGF) G2 G,2 :|  