Develop a harmonious melody by following the provided chord scheme.
'A', 'G', 'B', 'G', 'D', 'G', 'G', 'D', 'G', 'C', 'G', 'D', 'G', 'D', 'G', 'D', 'G', 'D', 'G', 'D', 'G'  
X:1
L:1/8
M:2/2
K:G
"A" |:"G" ^cdef g2 fa | g2 fa g=fed :|"B" |:"G" ^cdec"D" d2 =cB | ABcA"G" BGFG | 
"G" ^cdec"D" d2 =cB | ABcA"G" G2 z2 :|"C" |:"G" cGFG B3 G |"D" cBAG"G" B3 G |"D" ABce dcBA | 
 AGFG"G" B3 G |"D" ABce dcBA | AGFG"G" B3 G |"D" cBAG ADEF |"G" GB"D"AF"G" G2 z2 :|  