Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:6/8
K:F
['c2 A', 'fgf e2 d- ded c2 =B{cd} c2']  
X:1
L:1/8
M:6/8
K:F
 (3A_B=B |"F" c2 =B c2 d |{cd} c2 A F2 D | CDC F2 A | c3 c=Bd |"C"{d} c=Bc G2 A | B2 B- Bcd | 
"F" c2 A F^FG | A3 A_B=B | c2 =B c2 d |{cd} c2 A F2 D | CDC F2 A | c3 cd^d |"C7" e2 d e2 f | 
 e2 d cde |"F" f2 e f2 g | f3 || d^de |"Bb" f2 f- fgf | e2 d- ded |"F" c2 =B{cd} c2 A | F3 FGA | 
"C7" B2 A B2 A | G3 c3 |"F" F3- FGA | c3- cde |"Bb" f2 f- fgf | e2 d- ded |"F" c2 =B{cd} c2 A | 
 F3- FGA |"C7" B2 A B2 c | d3 e3 |"F" g2 f feg | f3 ||  