Develop a musical composition in line with the given structure and theme.
X:1
L:1/16
Q:1/4=100
M:2/4
K:D
['d4 e2f2']  
X:1
L:1/16
Q:1/4=100
M:2/4
K:D
"^$" A2 | dFAd fAdf | a4 d'4 | cAce gceg | a4 e'4 | dAdf adfa | d'4 f'2d'a | e'ee'e e'ed'e | 
 d'2d'2d'2 | | A2 | d4 e2f2 | fegf e2b2 | b4 a2g2 | gfag d2A2 | d4 e2f2 | fegf e2g2 | b4 a2g2 | 
 a(gba a=gBc) | d4 e2f2 | fegf e2g2 | b4 a2g2 | gfaf d2A2 | d4 e2f2 | (fecb agfe) | 
 (dfba ag"^D.C. $" Bc) | (e4 d2) ||  