Construct a tune that adheres to the designated chord progression.
'D', 'G', 'D', 'A', 'D', 'G', 'A', 'D', 'D', 'G', 'D', 'A', 'D', 'G', 'A', 'D'  
X:1
L:1/8
M:6/8
K:D
 A |"D" AFA Agf |"G" ede fdB |"D" AFA AGF |"A" GFG EFG |"D" AFA Agf |"G" ede fdB |"A" AFA faf | 
"D" ded d2 :| a |"D" afa afa |"G" bgb bgb |"D" afa afa |"A" gfg efg |"D" a3 f3 |"G" ede fdB | 
"A" AFA faf |"D" ded d2 :|  