Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:4/4
K:D
['defd A2', 'fdec adfd Adfd faag fedB Aafd adfd']  
X:1
L:1/8
M:4/4
K:D
 defd A2 (3AAA | cdg fedc | defd A2 (3ABc |1 dBAG ADDA :|2 dBAB cded || adfd Adfd | Acec fdec | 
 adfd Adfd | faag fedB | Aafd adfd | Acef gfec | defg a2 (3aaf | gfeg fddA ||  