Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/4
Q:1/8=120
M:4/4
K:G
['A/ B', 'B d d e/f/']  
X:1
L:1/4
Q:1/8=120
M:4/4
K:G
"^A" A | G2 G3/2 A/ | B A B/ d3/2 | G2 F3/2 A/ | B d A2 | G2 G3/2 A/ | B A B d | g2 g3/2 f/ | 
 g B A- ||"^B" A | B d d e/f/ | g d e d | B d d e/f/ | g B A2 | B d d e/f/ | g d e d | B d d e/f/ | 
 g3/2 f/ g ||  