Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:9/8
K:G
['', 'c Bcd dBG B2 d ee/f/g dBG', 'B^AB EFE']  
X:1
L:1/8
M:9/8
K:G
 A2 c |: Bcd dBG B2 d | ee/f/g dBG A2 c | BB/c/d dBG Bcd | A^GA AFD ABc :: B^AB EFE E2 E | 
 B^AB EFE c2 F | B^AB EFE EE/F/G |1 A^GA AFD D2 c :|2 A2 A D2 A c2 A ||  