Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/2=120
M:2/2
K:D
['Acec Acec dcde f2'  
X:1
L:1/8
Q:1/2=120
M:2/2
K:D
|:"^A" fg |"D" abag fdfg |"D" abag fdfg |"D" abag fe d2 |"Bm" [Bf]4 [Bf]2 de |"D" fgfe dAde | 
"D" fgfe d2 f2 |"G" gfed"A7" cdec |"D" d6 ::"^B" D2 |"A7" Acec Acec |"D" dcde f2 f2 | 
"G" gfgf g2 a2 |"D" f3 g f4 |"A7" Acec Acec |"D" dcde f2 ef |"G" gfed"A7" cABc |"D" d3 c d2 :|  