Generate melodies that harmonize with the provided chord sequence.
'D', 'A7', 'A', 'A7', 'D', 'D', 'G', 'A7', 'D', 'G', 'A7', 'D'  
X:1
L:1/4
Q:1/2=100
M:2/2
K:D
"D" f A d e | f A d e | f2 g3/2 f/ |"A7" f e e2 |"A" e A c d | e A c d |"A7" e2 f3/2 e/ | 
"D" e d d2 ::"D" a/d/d/d/ d3/2 d/ |"G" c B B2 |"A7" g/c/c/c/ c3/2 c/ |"D" B A A2 | 
 a/d/d/d/ d3/2 d/ |"G" c B B2 |"A7" B e B c |"D" d2 d2 :|  