Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:3/4
K:F
['[CC]2 [D=B,]2 [E_B,]2 [FA,]2 z [CA,] [CA,]2', '[AC][GB,] [FA,]2 |[M:3/4] [dB][cA] [BG][GE] [EC][GB,] [FA,]2']  
X:1
L:1/8
M:3/4
K:F
|:"C7" [CC]2 [D=B,]2 [E_B,]2 |[M:2/4]"F" [FA,]2 z [CA,] | [CA,]2 z2 | 
[M:3/4]"Bb" [DB,]2 [EC]2 [FD]2 |[M:2/4]"C7" [GE]2 z [FD] | [EC]2 z2 | 
[M:3/4] [dB][cA] [BG][GE] [EC][GB,] |"F" [FA,]2 z2 z2 ::"F" [FA,][AC] [AC][GB,] [FA,][AC] | 
[M:2/4] [cF]2 [AF]2 | [dB]2 [cA]2 |[M:3/4]"C7" [BG]2 [BG][GE] [DB,][BE] | 
[M:2/4]"F" [AF]2 [AC][GB,] | [FA,]2 |[M:3/4] [dB][cA] [BG][GE] [EC][GB,] |"F" [FA,]2 z2 z2 :|  