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:4/4
K:C
['C |[K:C] Pefxed aS .M[cE]3 (e/d/) cGEC', ".G.G.G.G (g3 f/e/4d/4) .c.c.c.c .c'.c'(.c'b) .a.a(ag) .f.e.d.c"]  
X:1
L:1/8
Q:1/4=120
M:4/4
K:C
 C |[K:C] Pefxed aS .M[cE]3 (e/d/) cGEC | e3 (g/f/) ecGE | g2 e/c/e/g/ f2 d/B/d/f/ | ecge dBAG | 
 [cE]3 e/d/ cc"^tr" c2 | [dG]3 (f/e/) dd"^tr" d2 | (3ece (3geg (3c'ge (3fdB | 
 c2 c>c c2"^rest added" z2 :: (d3 c/B/4A/4) .G.G.G.G | (g3 f/e/4d/4) .c.c.c.c | 
 .c'.c'(.c'b) .a.a(ag) | .f.e.d.c .B.A.G.F |"_f" [cE]3 e/d/ cege | [dG]3 f/e/ dfaf | 
"^tr added" (3ec'g{b} ag/f/ e2"^tr" d2 | cc'ge c2 z2 :|  