Compose melodies that coordinate with the presented chord series.
'D', 'Em', 'A7', 'D', 'Em', 'G', 'A7', 'D', 'D7', 'G', 'D7', 'G', 'G'  
X:1
L:1/4
M:3/4
K:D
|:"D" D F G | A B/A/G/F/ | D F G | A B/A/G/F/ |"Em" E2 F | G B/A/G/F/ |"A7" E2 F | G A/G/F/E/ | 
"D" F D F/G/ | A B/A/G/F/ | D F G | A B/A/G/F/ |"Em" E2 D |"G" d c =c |"A7" B _B A | G F E :| 
"D" D E/F/"D7"G/A/ |:[K:G]"G" B3/2 c/ B | B G B | d c B |"D7" A2 D | A3/2 B/ A | A F A | c B A |1 
"G" B2 G :|2"G" G3 |]  