Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
['D EFG GFE A2 A ABc BAG']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:G
|: D | EFG GFE | A2 A ABc | BAG FED | G2 G G2 |:  