Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/4
K:D
['AG FDDD DFAd BGGG G2 ed cAAA', 'd2 f2']  
X:1
L:1/8
M:2/4
K:D
 AG | FDDD DFAd | BGGG G2 ed | cAAA Aceg | fddd d2 AG | FDDD DFAd | BGGG G2 ed | cAAA Aceg | 
 fddd d2 :: f2 | gagf g2 fg | abaf d2 f2 | edef gece | defg a3 f | gagf g2 fg | abaf d2 f2 | 
 edef gece | dfec d2 :|  