Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:4/4
K:F
['', 'FG A2 de fedc A F3 DGGB', 'Bcdf e c3 agfe']  
X:1
L:1/8
M:4/4
K:F
 FG |: A2 de fedc | A F3 DGGB | Acde fedf | e c3 agfe | d3 e fedc | AGFE FDEC | A,DDE FGAd |1 
 cAGE F3 G :|2 cAGE FGAB |: c2 AF ABcA | d/d/d BG Bcdf | e c3 agfe | fagf dcAB | c2 AF ABcA | 
 d2 BG Bcdf | e c3 agfe |1 fdcA FGAB :|2 fdcA F2 FG :|  