Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:3/4
K:C
['c4 (3Bcd cGDF E2 C2 E2 F2', 'G2 (dB)(BG) c2 (fd)(dB) c2 dBBG c2', 'd2 d2', '(ga)(fe)(dc) a2 c2 c2 fgedcB g2 B2']  
X:1
L:1/8
M:3/4
K:C
 c4 (3Bcd | cGDF E2 | C2 E2 F2 | GFFE E2 | AFFD d2 | B4 c2 | (fe)(dc)(Bc) | d4 G2 :: (dB)(BG) c2 | 
 (fd)(dB) c2 | dBBG c2 | fddB c2 | agfaAd |{c} B4 c2 | F2 ECDB, | C6 :| 
[M:3/4]"^Trio" !fermata!c2 c2 c2 | cecG E2 | d2 d2 d2 | dfdB G2 | e2 g2 g2 | (ga)(fe)(dc) | 
 decBAG | G4 G,2 :: (ga)(fe)(dc) | a2 c2 c2 | fgedcB | g2 B2 B2 | dgfedc | c2 BcdB | c6 :|  