Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:3/4
K:G
['D G>B d2 B2 c2 A3 G']  
X:1
L:1/8
M:3/4
K:G
 D | G>B d2 B2 | c2 A3 G | F>A c2 A2 | dB G3 D | G>G B2 d2 | g4- ge | d>c B2 A2 | G4 z |]  