Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/8
M:2/4
K:F
['A>B cc d>e ff', 'F2 ff/B/ d2 ff/A/ c2 ff/A/ eA']  
X:1
L:1/8
M:2/4
K:F
"F" A/A/A/B/ cA |"Bb" dd"F" c2 |"Bb" d/c/B"F" c/B/A |"C7" B/A/G"F" AF | A/A/A/B/ cA | 
"Bb" dd"F" c2 |"G7" =B/B/B/B/ fB |"C" cc c z :|"F" A>B cc |"Bb" d>e ff |"C7" f/e/e B2 | 
"F" d/c/c A2 | A>B cc |"Bb" d>e ff |"F" f/A/A"C7" cG/A/ |"F" FF F z |:[K:Bb]"F7" FF/G/ A/B/c/^c/ | 
"Bb" df f>d |"F7" cg f>d |"Bb" dg f>d |"F7" FF/G/ A/B/c/^c/ |"Bb" df f>d |{/d}"F" cA"C7" BA/G/ | 
"F" FF F z :|"Bb" f/f/f/d/ d2 |"F7" ff/A/ c2 | ff/A/ ee/A/ |"Bb" BB/d/ F2 | ff/B/ d2 | 
"F7" ff/A/ c2 | ff/A/ eA |"Bb" BB B z :|  