Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/2
K:Bb
['D F>BD>B F>BdB GBFd cCCD F>BD>B FB', '(e/d/).c/.B/ A>FcF']  
X:1
L:1/8
M:2/2
K:Bb
 D | F>BD>B F>BdB | GBFd cCCD | F>BD>B FB dg | f>ed>c dBB :| f | B>fd>f f>B (e/d/).c/.B/ | 
 A>FcF dFcF | B>fd>g fBdg | f>edc dB-Bc | B>fdg fd (e/d/).c/.B/ | A>FcF d>FcF | e<gd<f c<e G>B | 
 A>c Ff dBB |]  