Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/2
K:D
['D2 FD CEAG FAdc dAFA', '^GBed cA=GE']  
X:1
L:1/8
M:2/2
K:D
 A,C | D2 FD CEAG | FAdc dAFA | GBeG FAdA | ^GBed cA=GE | D2 FD CEAG | FAdc dAFA | ^GBed cA=GE |1 
 (F/G/F) D2- D2 :|2 (F/G/F) D2 D2 |: fg | afdA gecA | de{fg}fe dAFA | GBeG FAdA | ^GBed cA=GE | 
 D2{G} FD CEAG | FAdc dAFA |1 ^GBed cA=GE | (F/G/F) D2- D2 :|2 ^GBed cea=g | f2 d2 d2 ||  