Compose a piece based on the given chord sequence.
'D', 'G', 'A', 'D', 'G', 'A', 'D', 'D', 'G', 'D', 'A', 'D', 'G', 'G', 'A', 'D'  
X:1
L:1/8
M:2/4
K:D
"D" fA BA | fA BA |"G" d2 e>f |"A" ed BA |"D" fA BA | fA BA |"G" d2"A" e>f |"D" ed d>e :: 
"D" fa fe |"G" ed BA |"D" d2 e>f |"A" ed BA |"D" fa fe |"G" ed BA |"G" d2"A" e>f |"D" ed d2 :|  