Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/4
M:4/4
K:D
['D, A,']  
X:1
L:1/4
M:4/4
K:D
 D, | A, A, A,/A,/A,/A,/ | D A, z A, | B,/B,/B,/B,/ D C/B,/ | B, A, z D | C E, G, B, | 
 A, D,/D,/4D,/4 D, A, | A, G, E, G, | F, D,/D,/4D,/4 D, A, | D F F E | D3 C/B,/ | 
 A,3/2 A,/C/B,/A,/G,/ | F, D,/D,/4D,/4 D, F,/>G,/ | A,3 B,/>C/ | D3 E/>D/ | C C C D/>B,/ | 
 A,2 z F,/>G,/ | A,3 B,/>C/ | D3 D | E E B, C | D2 z |]  