Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/4
K:G
['DGGE FAFD ABAB c2 B2 GBde dBGE', 'e2 dd e/d/c/B/ B2 A2 DGGG GBGE']  
X:1
L:1/8
M:2/4
K:G
 DGGE | FAFD | ABAB | c2 B2 | GBde | dBGE | A>B c/A/G/F/ |1 G2 G2 :|2 G2 GB |: d>e dB | g2 e2 | 
 dd e/d/c/B/ | B2 A2 | DGGG | GBGE | A>B c/A/G/F/ |1 G2 GB :|2 G2 G2 |]  