Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:1/4=150
M:3/8
K:Bmin
['B,2 C'  
X:1
L:1/8
Q:1/4=150
M:3/8
K:Bmin
|:"Bm" FFF |"F#m" F3 |"G" G2 F |"Em" EED |"A" C3 |"Em" EEE |"Em" E3 |"Bm" F2 E |"Bm" DDC |1 
"Bm" B,3 :|2"Bm" B,3- ||"Bm" B,2 B, |"Bm" DE/D/C/B,/ |"F#m" CA,B, |"F#m" CD/C/B,/A,/ |"Bm" B,2 F | 
"Bm" FG/F/E/D/ |"Em" ECE |"A" EF/E/D/C/ |"Em" B,2 C |:"Bm" DED |"F#m" CA,B, |"F#m" CDC |1 
"Bm" B,2 C :|2"Bm" B,3- |"Bm" B, z2 ||  