Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
Q:1/4=96
M:4/4
K:D
['f2 z']  
X:1
L:1/8
Q:1/4=96
M:4/4
K:D
"^Andantino" A | (de)(fg) a2 a2 | (gf)(ga) f2 z a | g2 e2 f3 d | e2 c2 d2 z A | (de)(fg) a2 a2 | 
 gfga f2 z a | g2 e2 f3 d | e2 c2 d2 z A | A2 A2 B2 B2 | c3 c d3 d | e2 z e f2 f2 | 
 ^g3 g{gb} a2 z a | a2 f2 f2 z a | g2 e2 e2 z d | e2 d2 c2 d2 | g2 f2 (f2 e) a | a2 f2 f2 z g | 
 g2 e2 e2 z g | (fe)(gf) e2 d2 | (fe)(dc) c2 z |]  