Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/4
M:3/4
K:G
['A B2']  
X:1
L:1/4
M:3/4
K:G
 G | G2 A | B2 c | A3/2 G/ A | B2 G | G2 A | B2 c | A3/2 G/ A | B2 B | d2 c | B2 A | B3/2 A/ B | 
 A2 B | d2 c | B2 A | B3/2 A/ B | A2 A | D3/2 E/ F | G2 B | A3/2 G/ A | G2 |]  