Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:A
['ceAe ceAe ceag fedc dfBf dfBf', 'A2 E2 EBGB EBGB ceAe ceAe dfBf']  
X:1
L:1/8
M:4/4
K:A
 d2 | ceAe ceAe | ceag fedc | dfBf dfBf | dfba gfed | ceAe ceAe | ceag fedc | dfBf dfBf | 
 edcB A2 || E2 | EBGB EBGB | ceAe ceAe | dfBf dfBf | gabg a2 aa | bagf edcB | cBAF E2 Bd | 
 ceAe ceaf | edcB A2 ||  