Develop harmonious melodies based on the provided chord structures.
'Am', 'G', 'Am', 'G', 'Am', 'G', 'Am', 'G', 'Am', 'Am', 'A', 'G', 'Am', 'G', 'Am', 'A', 'G', 'Am', 'D', 'G', 'Am'  
X:1
L:1/8
M:2/2
K:G
"Am" e2 AB cdec |"G" dGBG dGBd |"Am" e2 AB cdea |"G" gedB"Am" BA A2 | e2 AB cdec |"G" dGBG dGBd | 
"Am" e2 AB cdea |"G" gedB"Am" BA A2 ||"Am" a2 ea aged |"A" ^cdef"G" g2 fg |"Am" a2 ag agab | 
"G" gedB"Am" BA A2 | a2 ag aged |"A" ^cdef"G" g2 fg |"Am" afge"^(""D""^)" fdef | 
"G" gedB"Am" BA A2 |]  