Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/4
K:C
['D2 D2 ^C2 =C2 A,2 A,C- CA,', 'A,6 A,A, A,A, A,G, G,G, F,F, D,2'  
X:1
L:1/8
M:2/4
K:C
 D2 D2 | ^C2 =C2 | A,2 A,C- | CA, A,>C | A,A, A,A, ||[M:3/4] A,6 | A,A, A,A, A,G, | 
{/_B,} G,G, F,F, D,2 | D,E, F,D, D,2 |{/F,} D,D, C,C, C,2 | D,D, D,D, C,/C,/C,/C,/ | A,,A,, A,,4 | 
 A,,6 |]  