Create a melodious tune based on the given chord progression.
'D', 'A7', 'G', 'A', 'D', 'A7', 'D', 'A7', 'A7', 'G', 'A', 'D'  
X:1
L:1/8
M:2/2
K:D
|:"D" fe/f/ ed | FA BA |"A7" gf/g/ fe |1,3 c/A/B/c/ BA :|2,4"G" B"A"c"D" d2 ::"A7" ef ge | 
"D" fg a2 |1,3"A7" ef ge | c/A/B/c/ BA :|2,4"A7" ba ge |"G" B"A"c"D" d2 :|  