Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
['', 'B2 c d2 e'  
X:1
L:1/8
Q:3/8=90
M:6/8
K:Bb
 dc |: B2 c d2 e | f3- fde | f2 f fgf | e2 d cdc | B2 c d2 e | f3- fde | f2 f fgf | e2 d c2 B | 
 c2 B c2 d | e2 d c3 | Bcd Bcd | cdB cdc | B2 c d2 e | f3 g3 | fgf edc |1 B3- Bdc :|2 B3 z3 |]  