Produce pleasing melodies that correspond with the indicated letter notation and incorporate the suggested theme.
X:1
L:1/8
M:4/4
K:F
['C FF DC']  
X:1
L:1/8
M:4/4
K:F
 C | FF DC c/ c3/2 d3/2 d/ | cA GF c3 C | FF DC cc d d/d/ | cA GF c3 | c | ff fd cA F3/2 G/ | 
 A3/2 G/ FD C3 F | FF D C/C/ cc d3/2 d/ | cA G A/G/ F3 ||  