Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/4
Q:3/4=80
M:6/4
K:Gmin
['B/ c']  
X:1
L:1/4
Q:3/4=80
M:6/4
K:Gmin
 g2 d B2 G | B3/2 c/ d G2 a | b3/2 a/ g a2 d | c3/2 B/ c d3 | g2 d B2 G | B3/2 c/ d G2 a | 
 b3/2 a/ g a2 d | c B c d2 d/e/ | f3/2 e/ d c3/2 B/ c | d2 g G2 A | B3/2 A/ G d2 G | d2 G e d c | 
 A3/2 B/ c d2 g | g2 ^f g3 |]  