Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/4
Q:1/4=210
M:2/2
K:G
['B A G', 'B A G']  
X:1
L:1/4
Q:1/4=210
M:2/2
K:G
 B3/2 A/ G d | c B A G | G/A/ B A G | G/A/ B G/A/ B | G/A/ B A G | B3/2 A/ G d | c B A G | 
 G F G2 :: d2 e3/2 d/ | c B A G | G/A/ B A G | G/A/ B G/A/ B | G/A/ B A G | d2 e3/2 d/ | c B A G | 
 G F G2 :|  