Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/4
K:G
['DGFG AB F2 G2 A>c', 'G2 Bd (dc/B/) c2 B(c/B/) AG FE', 'G2 DG (c/B/A/G/) F2 (G/A/B/).G/ (A/B/c/).A/', 'G2 (Bd)(dg) (ce)(eg) Bd dc/B/ FE/D/ eg']  
X:1
L:1/8
M:2/4
K:G
 DGFG | AB F2 | G2 A>c | BG G2 :: Bd (dc/B/) | cc"^tr" c2 | B(c/B/) AG | FE D2 | d(e/d/) c(d/c/) | 
 B(c/B/) (A/c/B/A/) | G2 A>c BG G2 :: DG (c/B/A/G/) | (A/B/c/A/)"^tr" F2 | 
 (G/A/B/).G/ (A/B/c/).A/ | BG G2 :: (Bd)(dg) | (ce)(eg) | Bd dc/B/ | (c/B/)(A/G/)"^tr" FE/D/ | 
 eg dg | Bg a/c'/b/a/ | G2 A/B/c/A/ | BG G2 :|  