Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
Q:1/4=140
M:2/2
K:G
['D3 E DEGB AGAB', 'BAGA BcdB']  
X:1
L:1/8
Q:1/4=140
M:2/2
K:G
 D3 E DEGB | AGAB AGEG | D3 E DEGB | AGAB G/G/G G2 :: BAGA BcdB | AGFG ABcA | BAGA BcdB | 
 AGAB G/G/G G2 | BAGA BcdB | AGFG ABcA | BGcA dBec | BdAB G/G/G G2 :|  