Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:6/8
K:G
['GAA GED FAc dBG ecA', 'gag edB']  
X:1
L:1/8
M:6/8
K:G
 GAA GED | FAc dBG | ecA dBG | AcA BGE | GAA GED | FAc dBG | ecA fdc | BGG G3 :| gag edB | 
 efg bge | gag edB | ega g2 f | gag edB | efg dBG | ecA fdc | BGG G3 :|  