Develop harmonious melodies based on the provided chord structures.
'Am', 'G', 'Em', 'G', 'Em', 'G', 'Am', 'G', 'Em', 'G', 'Am', 'G', 'Em', 'G', 'Am', 'G', 'Em', 'G', 'Am'  
X:1
L:1/8
M:6/8
K:D
"Am" EAA EAA |"G" BAB G2 A |"Em" Bee"G" Bdd |"Em" BAB"G" GED |"Am" EAA EAA |"G" BAB G2 A | 
"Em" Bee edB |"G" dBA"Am" A3 :: a3{b} age |"G" eBA G2 A |"Em" cee edB |"G" def g3 |"Am" a3{b} age | 
"G" eBA G2 A |"Em" Bee edB |"G" dBA"Am" A3 :|  