Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/4=120
M:2/4
K:F
['A- A3/4 x/4', 'x/4 F', 'F- F3/4 x/4']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:F
 =A, D F A- | A3/4 x/4 A _B A- | A3/4 x/4 G F G- | G3/4 x/4 G _A G- | G3/2-G/4 x/4 F F | G2 F F | 
 =E E D =A | A, D F A/>G/- | G/ (3FFED/ A- | A3/4 x/4 A B A- | A3/4 x/4 G F G- | 
 G3/4 x/4 c3/4=B3/4_A/ G- | G3/2-G/4 x/4 F F | C C F F | D/ (3F_EDC/ D- | D2- D/ x3/2 :: 
 A, D F A- | A3/4 x/4 G F G- | G3/4 x/4 F =E F- | F3/4 x/4 E D F/>E/- | E/D/ C3/2-C/4 x x/4 | 
 C D E F | E G E F- | F3/2-F/4 x/4 A c | B A G A- | A3/4 x/4 G F G- | G3/4 x/4 F E F- | 
 F3/4 x/4 E D F/>E/- | E/D/ C3/2-C/4 x/4 F | E E F F | D/ (3F_EDC/ D- | D2- D/ x3/2 :: C D =E F- | 
 F3/4 x/4 G3/2-G/4 x/4 =A- | A3/4 x/4 _B3/2-B/4 x/4 =B/d/ | c =B/d/ c c- | c3/2-c/4 x/4 =B c | 
 =B =B c c | _B B A A- | A3/2-A/4 x/4 G A | G F C F- | F3/4 x/4 _A3/4G3/4F/ G | _A2 c =B/>c/- | 
 c/ (3dc=B_A/ G- | G3/2-G/4 x/4 F F | E E F F | D/ (3F_EDC/ D- | D2- D/ x3/2 :|  