Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/4
K:none
["g/e/c/e/ ga gc' a/", "cc cA/c/ fc/f/ af/a/ d'/c'/b/g/ e/c/e/g/ ff"]  
X:1
L:1/8
M:2/4
K:none
[K:C]"C" g/e/c/e/ ga | gc' e3/2"_=" a/ |"G7" g"_f"f"_d" d>"_a"a |"C" ge c2 | g/e/c/e/ ga | 
 gc' e3/2"_=" a/ |"G7" gf d/f/e/d/ |"C" cc c z ::[K:G]"D7" d"_e"e/"_#"f/ g/"_a"a/b/"_()"c'/ | 
"G" d'b g>b |"D7" ba f>a |"G" ag d2 |"D7" de/f/ g/a/b/c'/ |"G" d'b g>b |"D7" b"_a"a"_e" e>"_#"f | 
"G" gg g"_>Teil A" z ::[K:F]"F" cA/c/ fc/f/ | af/a/ !>!c'2 | 
"C7""_d" d'/"_=" c'/"_b"b/"_g"g/"_e" ee |"F" d'/c'/a/f/ cc | cA/c/ fc/f/ | af/a/ !>!c'2 | 
"C7" d'/c'/b/g/ e/c/e/g/ |"F" ff f z :|  