Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:A
['ag f2', 'ag f2 efae c2 A2']  
X:1
L:1/8
M:4/4
K:A
|: cd |"A" e3 f e2 c2 |"A" A2 AB A2 ag |"D" f2 ec"A" efae |"E" c2 B2 B2 cd |"A" e3 f e2 c2 | 
"A" A2 AB A2 ag |"D" f2 ec"A" efae |"E" c2 A2"A" A2 :: ag |"A" f2 ec efae |"A" faec"E" B2 ag | 
"A" f2 ec efae |"E" f2 B2 B2 ag |"A" f2 ec efae |"A" faec"E" B2 ag |"D" f2 ec"E" efae | 
"A" c2 A2 A2 :: cB |"A" A3 B c2 a2 |"D" f2 ec"E" B2 cB |"A" ABcd efec |"E" f2 B2 B2 cB | 
"A" A3 B c2 a2 |"D" f2 ec"E" B2 cB |"A" ABcd"E" efed |"A" c2 A2 A2 :: cd |"A" e3 f e2 c2 | 
"A" e3 f e2 ag |"D" f3 g f2 d2 |"D" f3 g f2 ag |"A" f2 ed c2 BA |"E" BABc"A" e2 ag | 
"D" f2 ec"E" efae |"A" c2 A2 A2 :|  