Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:4/4
K:G
['eg d2', 'dcdg b2 ag eg g2 afd^c d2']  
X:1
L:1/8
M:4/4
K:G
 BGDG BG D2 | g2 fg eg d2 | BGDG Bdef | gdBG A2 D2 | BGDG B/c/d ef | gBfB eg d2 | BGBd ecAF |1 
 GBAF G2 z2 :|2 GBAF G2 z a || bagf efga | bge^c dcdg | b2 ag eg g2 | afd^c d2 z2 | B/c/d gd BGDB | 
 =cBAG FA D2 | g2 bg ecAF |1 GBAF G2 z a :|2 GBAF G4 ||  