Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:Emin
['F/E/D GG', 'z EE/E/ FF/F/']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:Emin
 AA/G/ F/E/D | GG F z | A/B/A/G/ F/E/D | GG F z :: EE/E/ FF/F/ | DC C z | EE/E/ FF/F/ | DE E z :|  