Develop a tune that adheres to the predetermined chord sequence.
'D', 'A', 'D', 'G', 'D', 'A', 'A', 'D', 'D', 'G', 'D', 'G', 'D', 'A', 'G', 'D', 'A', 'A', 'D'  
X:1
L:1/8
M:6/8
K:D
|:"D" dAA fAA |"A" eAA"D" fed |"G" Bee e2 d | e2 d BdB |"D" A2 A A2 F | A2 B d2 e |1 f3 fed | 
"A" e3 efe :|2 f3"A" efe |"D" d3 efg |:"D" a3 faa |"G" eaa"D" def |"G" g3"D" fgf |"A" e3"G" edB | 
"D" A2 A A2 F | A2 B d2 e |1 f3 fed |"A" e3 efg :|2 f3"A" fed |"D" e6 ||  