Develop harmonious melodies based on the provided chord structures.
'D', 'C', 'D', 'C', 'D', 'C', 'D', 'D', 'C', 'D', 'C', 'D', 'C', 'G', 'Am', 'D', 'C', 'C', 'Am', 'Am', 'D', 'G', 'C', 'G', 'D', 'G'  
X:1
L:1/8
M:2/2
K:G
"D" DFAd"C" cBAF |"D" DFAd"C" cBAF |"D" DFAd"C" cBAd |"D" e [df]2 e [df]2 DD |"D" DFAd"C" cBAF | 
"D" DFAd"C" cBAF |"D" DFAd"C" cBAd |"G" e [dg]3 [dg]4 ::"Am" eg a2 a2 eg | abag"D" fe d2 | 
"C" ef g2 g2 ef |"C" gagf"Am" ed c2 |"Am" eg a2 a2 eg | abag"D" fe d2 |1"G" gfed cB A2 | 
"C" [Ec]4 [Ec]4 :|2"G" gfed"D" cB A2 |"G" [GB]4 [GB]4 |]  