Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:Gmin
['f2 g', 'G2 F DFF CFF A,FF CFF Ddd']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Gmin
"^Lively" d | cA^F GA>G | FDE F>GF | DG^F Gac | dg=e f2 g | a>ba gag | fed edc | Afd cA^F | 
 Gg=e f2 g | afd cA^F | G3 G2 || F | DFF CFF | A,FF CFF | Ddd Dcc | DBB DAA | a>ba gag | fed edc | 
 Afd cA^F | Gg=e f2 g | afd cA^F | G3 G2 ||  