Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:Bmin
['d2 B BcB FBB']  
X:1
L:1/8
M:6/8
K:Bmin
|: c |"Bm" d2 B BcB | FBB B2 c |"G" d3 Bed |"A" c/d/cA ABc |"G" d3"A" ede |"Bm" f2 b afe | 
"G" dcB"A" AFE |"Bm" FBB B2 :: a |"D" a^ga f3 |"A" ecA A2 F | EFA cBA |"F#" cde f2 e | 
"Bm" d2 B BcB | FBB Bcd |"G" efg"A" f/g/fe |"Bm" dBB B2 :|  