Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/4
M:4/4
K:G
['', 'G/A/ B d d3/2 e/ d B']  
X:1
L:1/4
M:4/4
K:G
 G/A/ |: B d d3/2 e/ | d B G3/2 A/ | B B A G | A3 G/A/ | B d d3/2 e/ | d B G3/2 A/ | B B A A |1 
 G3 G/A/ :|  