Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:2/4
K:C
['c(e/d/) cB A2 G2 A(G/A/) B(A/B/)', 'c2 c2'  
X:1
L:1/8
M:2/4
K:C
 G | c(e/d/) cB | A2 G2 | A(G/A/) B(A/B/) | (c/B/c/d/) cG | c(e/d/) cB | A2 G2 | A(G/A/) B(A/B/) | 
 c2 z :: (c/d/) | (ef).e.d | .d.c.B.c | d2 d2 | d3 (d/e/) | fedc | BGAB | c2 c2 | c2 z :|  