Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:3/4
K:none
['CA CA', 'ED CD EC DE F2 z2']  
X:1
L:1/8
M:3/4
K:none
[K:F]"F" CA CA CA |"C7" Ac BG E2 | CG CG CG |"F" GB AF C2 | CA CA CA |"Gm" Ac BG D2 | 
"Bb" DB DB"C7" EG |"F" F2 z2 z2 ::"C7" GA BA GF | EF GF ED | CD ED CB, |"F" A,C FA c2 | 
"C7" GA BA GF | EF GF ED | CD EC DE |"F" F2 z2 z2 :|  