Produce a melodic arrangement with the given chord sequence.
'D', 'A', 'D', 'D', 'A', 'D', 'A'  
X:1
L:1/8
M:2/4
K:Amix
"D" F>A BA | de f2 |"A" fe/f/ gc |"D" ed BA |"D" F>A BA | de f2 |"A" fe/f/ gc |"D" ed d2 :| 
"A" ef/e/ ce | fe a2 | ef/e/ ce | fe c/B/A | ef/e/ ce | fe a2 | ef/e/ dB | BA A2 :|  