Compose music that adheres to the provided musical structure and theme.
X:1
L:1/8
M:2/2
K:Bmin
['B2 dB', 'e3 f'  
X:1
L:1/8
M:2/2
K:Bmin
 B2 dB BAFA | B2 dB BAFB | AF F2 DF F2 | A2 dA BAFA | B2 dB BAFA | B2 dB BAFB | AFAB defd |1 
 e2 ef d3 A :|2 e2 ef d3 f |: e3 f d2 df | e3 f dB A2 | e3 f d2 de | fedB ADFA | e3 f eB B2 | 
 gB B2 defg | afbf afeg | fedB ADFA :|  