Construct a musical work following the provided guidelines and thematic elements.
X:1
L:1/8
M:2/4
K:C
['GA (ED) CD']  
X:1
L:1/8
M:2/4
K:C
 (3G,3 .G,3 .A,3 .G,3 .A,3 .B,3 | .Cc GA | (ED) CD | (E/D/) CA, B, | A,2 z B,/B,/ | CB, CE | 
 G2 G(G/A/) | GE CE | D2 z B, | CB, CE | G2 G G/A/ | GE(E/D/) C | D2 z (E/D/) | CA GA | (ED) CD | 
 GA CD | C3 ||  