Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:4/4
K:Bdor
['', 'BbbB a2 Bb'  
X:1
L:1/8
M:4/4
K:Bdor
 A |: BffB ffBf | fBfB eece | BffB ffBf | fBcA B3 A | BffB ffBf | fBfB eece | BffB ffBb | 
 afec B3 A | BbbB a2 Bb | bB a2 feef | BbbB a2 Bb | afec B3 A | BbbB a2 Bb | bB a2 feef | 
 BbbB a2 Bb | afec B3 A :|  