Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:3/8
K:F
['C F2 F G>BA/G/ AFf e>dc d2']  
X:1
L:1/8
M:3/8
K:F
 C | F2 F | G>BA/G/ | AFf | e>dc | d2 =B | c2 c | ffc | d>ef/d/ | cAc | f2 c/d/ | c>BG/B/ | AF z | 
 AAd | cBG | F2 |]  