Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
Q:1/2=104
M:2/2
K:Bmin
['B>cdB fBdB', 'Bb^ab f=aef'  
X:1
L:1/8
Q:1/2=104
M:2/2
K:Bmin
 F | B>cdB fBdB | Aaca c<Ae>c | B>cdB fBdB | e>ace fBB :| c | Bb^ab f=aef | d>fed cAAc | 
 Bb^ab f=aef | d>fec dBBc | Bb^ab fgef | d>fdc cAAc | BFdB cAec | d>fc>e fBB |]  