Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:2/4
K:Bmin
['cF Fc'  
X:1
L:1/8
M:2/4
K:Bmin
|:"Bm" ff/g/ f/e/d/c/ | Bd Bd |"A" cF Fc |"Bm" d/c/B/^A/ B/c/d/e/ |"Bm" ff/g/ f/e/d/c/ | Bd Bd | 
"A" cF Fc |"Bm" d/c/B/^A/ B2 ::"Bm" dF"A" cF |"Bm" B/c/d/c/"A" Fc |"Bm" dF"A" cF | 
"Bm" B/c/d/c/"A" Fc |"Bm" dF"A" cF |"Bm" Bd/f/ bb |"A" a/c'/a/g/ fg/a/ |"Bm" bb b2 :|  