Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/2
K:D
['e2 d', 'dfaf bgaf']  
X:1
L:1/8
M:2/2
K:D
 B | BADA dADA | BADA defd | BADA dADc |1 dBAf e2 d :|2 dbaf e2 d |] d | dfaf bgaf | 
 dfaf (3(gag) fe | dfaf bgaf | dBAf e2 dd | dfaf bgaf | bgaf g2 fg | agfe dBAB | dbaf e2 d |]  