Construct a tune that adheres to the designated chord progression.
'G', 'D', 'G', 'D', 'G', 'D', 'G', 'A', 'D', 'G', 'C', 'Am', 'D', 'G', 'D', 'G', 'C', 'D', 'G'  
X:1
L:1/8
M:2/4
K:G
 D |"G" GD GD |"D" A3 D |"G" BG/A/ BA/G/ |"D" A3 A |"G" BG/A/ BA/G/ |"D" AB/A/ B/A/G/F/ | 
"G" Gd"A" E^c |"D" d3 :: D |"G" GG/A/ B/A/G/F/ |"C" EC CE |"Am" AA/B/ c/B/A/G/ |"D" FD DA"^I" | 
"G" dG"D" cB/A/ |"G" BD GB, |"C" C/B/A/G/"D" F>G |"G" G3 :|  