Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:3/2
K:D
['g3 f (ef) f2 e2']  
X:1
L:1/8
M:3/2
K:D
 uD4 |"G" vB3 c (Bc) d2"D" A2 d2 |"Em" G3 A (GA) B2"D" F2 B2 |"C" E3 F (EF) G2"G" D2 B2 | 
"^C  Dsus" G6"D" F2"G" G4 :|"Em" g3 f (ef) g2"Am" f2 e2 |"B7" ^d3 e (de) f2 B2 f2 | 
"Em" g3 f (ef) g2"Am" f2 e2 |"Em" e6"B7" ^d2"Em" e4 |"C" E3 F (EF)"D" G2 (FG) A2 | 
"Em" G3 A (GA) B2"D" (AB)"D7" c2 |"G" B3 c (Bc) d2"D" D2 d2 |"^G/Em     B" B6 (AB)"G" G4 ||  