Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/2
K:F
['c2 d2 cA']  
X:1
L:1/8
M:2/2
K:F
 c2 |"F" d2 cA FAcf |"Bb" e2 dc d2 gf |"C7" efga bgeg |1,3 gfed cBAc :|2,4 g2 fe"F" f2 :: c2 | 
"F" d2 cA FA c2 | c2 BA"Bb" B2 GA |"C7" BAGF EFGA |1,3 B2 AG"F" A2 :|2,4 G2 FE"F" F2 :|  