Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:6/8
K:G
['G2 e dBG', 'g3 f3 ege def']  
X:1
L:1/8
M:6/8
K:G
|: G2 e dBG | B3 dBA | G2 e dBG | A3 BGE | G2 e dBG | B3 def | gfe dBG | A3 BGE :: g3 f3 | 
 ege def | g3 efg | a3 bge | g3 f3 | ege def | gfe dBG | A3 BGE :|  