Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/4
M:2/2
K:G
['d/e/ d d', 'G/A/B/c/ d']  
X:1
L:1/4
M:2/2
K:G
 G/A/B/c/ | d G d g | f g d c/B/ | A d c B | A G d/e/ d | d g d/e/ d | d a d/e/ d | 
 d b/a/ g/f/e/d/ | c/B/ A a/b/ a | a d A ^c | d D :| d/e/f/g/ | a d f e/d/ | g G G/A/B/c/ | 
 d g/f/ e/d/c/B/ | A D G/A/ B | E e c/B/ A | F f B/c/ d | G g A a | B b G/A/B/c/ | d d d b | 
 f g d/c/d/e/ | d c/B/ A2 | G2 |]  