Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:3/4
K:G
['D>G GB c/B/A/B/ G>B Bd dB A>c', 'd>g gf f/g/f/e/']  
X:1
L:1/8
M:3/4
K:G
 D>G GB c/B/A/B/ | G>B Bd dB | A>c ed dB | d/e/d/c/ c2 B2 | D>G GB c/B/A/B/ | G>B Bd dB | 
 A>c ed dB | d/e/d/c/ B4 :: d>g gf f/g/f/e/ | ce e/f/e/d/ dB | G>B Bd de | d/c/A/F/ GD B,G, | 
 d>g gf f/g/f/e/ | A>c e/f/e/d/ B2 | GB Bd de/d/ | c/d/e/f/ [gB]4 :|  