Compose a piece based on the given chord sequence.
'D', 'A7', 'D', 'A7', 'D', 'D', 'A7', 'D', 'A7', 'D', 'D', 'G', 'D', 'A7', 'Em', 'A7', 'D', 'A', 'D'  
X:1
L:1/8
M:6/8
K:D
 A |:"D" ddd dcd | fee"A7" e2 g |"D" fed faA |"A7" ABc"D" d2 A |"D" ddd dcd | fee"A7" e2 g | 
"D" fed faA |"A7" ABc"D" d2 a ::"D" afd dfa | agf"G" g2 b |"D" afd dfa | agf"A7" e2 f | 
"Em" gag gag |"A7" ABA A2 g |"D" fed eaA |"A" ABc"D" d2 z :|  