Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:4/4
K:Gmin
['B2 BA BcdB AcFB Ac F2'  
X:1
L:1/8
M:4/4
K:Gmin
"Gm" BGGF DGGA |"Gm" Bcde"Dm" f2 dc |"Gm" BGGF D3 G |"Dm" DEFG A2 dc |"Gm" BGGF DGGA | 
"Gm" Bcde"Dm" f2 dc |"Gm" Bcdg"Dm" fdcA |"Dm" FdcA"Gm" G4 :|"Bb" B2 BA BcdB |"F" AcFB Ac F2 | 
"Bb" B2 (3cde fgfe |"F" cffg afec |"Bb" B2 BA BcdB |"F" AcFB Ac F2 |"Gm" Bcdg"Dm" fdcA | 
"Dm" FdcA"Gm" G4 :|  