Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/4
M:4/4
K:G
['G G']  
X:1
L:1/4
M:4/4
K:G
 D | G G G B | G2 D D | G G A A | B2 z G/A/ | B2 c e | d2 B B | d3/2 d/ c A | G2 z |]  