Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/8=90
M:4/4
K:Bmin
['ed c2'  
X:1
L:1/8
Q:1/8=90
M:4/4
K:Bmin
|:"Bm" (Bc)de uf4 | fe (f<a) f2 ed |"A" c2 A2 e2 A2 | cd (e<f) (e3/2f/4e/4) dc | 
"Bm" (Bc)de"F#7/B" uf4 |"D/B" fe (f>a)"E7/B" f2 ed |"A" c2 A2"F#m" (f3/2g/4f/4 ed) | 
"Bm" (uc3/2d/4c/4 vB2) uF2 ::"Bm" (Bc)de"Bm/A#" (ufB) B/B/B |"Bm/A" (uaB) B/B/B"E7/G#" uf2 ed | 
"A" c2 A2"A/G#" e2 A2 |"A/F#" (cd)ef"F#m7" (e3/2f/4e/4) dc |"Bm" (Bc)de"Bm/A#" (ufB) B/B/B | 
"Bm/A" (uaB) B/B/B"E7/G#" uf2 ed |"A" C2 A2"F#/A#" (f3/2g/4f/4 ed) |1"Bm" (c3/2d/4c/4 B2) B2 F2 :|2 
"Bm" (c3/2d/4c/4 B2) vB4- | B4 z4 |]  