Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:3/4
K:none
["d>e f2 a2 ag ge' c'2 gf", 'f2 f2']  
X:1
L:1/8
M:3/4
K:none
[K:C]"C" e>f g>c'"G7" b>d' |"C" c'e' g>^f g2 |"G7" bd' f>e f2 |"C" gc' e>d e2 | e>f g>c'"G7" b>d' | 
"C" c'e' g>^f g2 |"G" bd'"D7" ac' ^fa |"G" g2 g2 z2 :|"G7" (3(fef) d2 a2 |"C" (3(g^fg) e2 c'2 | 
"F" (3(a^ga) f>a c'>a |"C" ge' c'>g e2 |"G7" (3(fef) d2 a2 |"C" (3(g^fg) e2 c'2 | 
"B7" b>^a b>=a ^fg |"Em" e4 f>e |:"G7" d>e f2 a2 |"C" ag ge' c'2 |"G7" gf fd' b2 |"C" fe ec' g2 | 
"Dm/F" d>e f2 a2 |"C/E" ag ge' c'2 |"G7" gf fd' gb |"C" c'2 c'2 z2 ::[K:F]"F" c>f a2 d'2 | 
 c'>a f4 |"C7" ag ^fg Bd |"F" dc =Bc FA | c>f a2 d'2 | c'>a f4 |"C7" ag ^fg ce |"F" f2 f2 z2 :| 
"A7" a2 e2 g2 |"Dm" f>g f>e d2 |"Bb" d>f e>d ^c>d |"A7" A6 |"G7" g2 d2 f2 |"C" e>f e>d c2 | 
"G7" =B>d G>f e>d |"C" c2 _B2 A2 |:"F" (3(FAc) f2 f2 | (3(Acf) a2 a2 |"C7" (3(agb) e2 e2 | 
"F" (3(gfa) c2 c2 | (3(FAc) f2 f2 | (3(Acf) a2 a2 |"C7" (3(agb) c2 e2 |"F" f2 f2 z2 :|  