Design compelling melodic lines that align with the provided chord progressions.
'D', 'G', 'D', 'D', 'Bm', 'Em', 'A7', 'D', 'G', 'D', 'D', 'A7', 'D', 'D', 'D', 'A7', 'A7', 'D', 'D', 'A7', 'D'  
X:1
L:1/8
M:6/8
K:D
 A |"D" d2 d dcd |"G" B2 d"D" A2 A |"D" ABc"Bm" def |"Em" g2 e"A7" c2 A |"D" d2 d dcd | 
"G" B2 d"D" A2 A |"D" ABc def |"A7" ecA"D" d2 :: A |"D" d2 e f2 f |"D" fgf fed | 
"A7"{f} e2 d{f} e2 d |"A7"{f} e2 d e2 f |"D" d2 e f2 f |"D" fgf fed |"A7"{f} e2 d e2 f | 
"D" d3 d2 :|  