Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/4
M:34/44
K:F
['[cA] [AF] [cA]']  
X:1
L:1/4
M:34/44
K:F
 [cA]/[BG]/ |"F" [AF]2 [cA] |"C7" [GE]2 [cE] |"F" [AC]2 [GB,] | [FA,]3 |"C7" [GB,]3/2 [AC]/ [BD] | 
 [AC]2 [GB,] |"F" [FA,]3- | [FA,]2 [AF]/[BG]/ |"F" [cA] [AF] [cA] [AF] |"C7" [cA] [BG] [GE]2 | 
 [cB]/[cB]/ [cB] [ec] |"F" [cA]/[cA]/ [cA] [fc] |"F" [cA] [AF] [cA] [AF] |"C7" [cA] [BG] [GE]2 | 
 [cB]/[cB]/ [cB] [ec] |"F" [fA] z :|  