Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/4
Q:3/4=35
M:3/4
K:A
['A G', 'G A']  
X:1
L:1/4
Q:3/4=35
M:3/4
K:A
 e d/c/ B/A/ | A G A | B/>c/ d c | c{dcBc} B z | c d e/>f/ | A G A{ce} | f/e/4d/4 c B | A3 || 
 G/>F/ G A | B/>A/ B c | d/e/8f/8 f/e/ e/d/ | d{dcBc} c z | e a g | g f e | f/4g/4f/4e/4 d c | 
 c B z | c d e/>f/ | A G A | f/e/4d/4 c B | A2 :|  