Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
Q:1/4=100
M:6/8
K:Bb
['G F3 F2']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:Bb
 F2 F d2 c | (cB) G F3 | F2 F (AG) F | (^cB) A A3 | F2 d d2 A | (^c=B) A A3 | A2 B c2 F | 
 (BA) G F3 |"^Chorus" F2 A c2 F | (FB) c d3 | e2 =B (dc) G | (AB) c B3 |]  