Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/16
M:4/4
K:C
['fefa gfed d2^c2', 'gfed d2^c2'  
X:1
L:1/16
M:4/4
K:C
[M:3/4][K:Dmin] a2d2e2e2 a2 .A2de fed^c d4 | ABAG FGFE E2D2 | A2de fed^c d4 | fefa gfed d2^c2 | 
 A^cec A2A2 A4 | A2de f2ed d2^c2 | A^cec A^cec A4 | fefa gfed d2^c2 | d^cde fefg a2>d2 | 
 fed^c ^c4 d4 :: fefg a2c2 A2F2 | c2>g2 gagf efed | cefg !>!a4 !>!^c4 | d2ef gfed d2^c2 | 
 A^cec A2A2 A4 | A2de f2ed d2^c2 | A^cec A^cec A4 | fefa gfed d2^c2 | d^cde fefg a2>d2 | 
 fed^c ^c4 d4 :|  