Develop harmonious melodies based on the provided chord structures.
'G', 'D', 'C', 'G', 'C', 'D', 'G', 'D', 'C', 'G', 'D', 'G', 'G', 'C', 'G', 'G', 'D', 'G', 'C', 'G', 'C', 'D', 'G'  
X:1
L:1/8
M:6/8
K:G
 D |"G" G2 G GAB |"D" A2 A ABd |"C" edd"G" gdd |"C" edB"D" dBA |"G" G2 G GAB |"D" A2 A ABd | 
"C" edd"G" gdB |"D" AGF"G" G2 :: A |"G" B3 dBd |"C" ege"G" dBA |"G" B3 dBG |"D" ABA AGA | 
"G" B2 B dBd |"C" ege"G" dBd |"C" gfg"D" aga |"G" bgf g2 :|  