Compose a melodic line that follows the provided chord sequence.
'D', 'B7', 'Em', 'A7', 'D', 'D', 'D', 'B7', 'Em', 'A7', 'D', 'A7', 'D'  
X:1
L:1/8
M:6/8
K:D
 A |:"D" f2 f fga | d3- dcB | ABA"B7" AGF |"Em" E3- E3 |"A7" e2 e efg | e2 d c2 B |1 A2 A ABA | 
"D" F6 :|2 A2 A ABc |"D" d6 |]:"D" AFA faf | e2 d d2 B | AFA"B7" BcB |"Em" A2 G G3 |"A7" GFG efe | 
 d2 c c2 B |1 A2 A ABA |"D" F6 :|2"A7" A2 A ABc |"D" d6 |]  