Construct music pieces following the indicated chord shifts.
'D', 'G', 'A7', 'D', 'A7', 'D', 'D', 'Em', 'Em', 'D', 'A7', 'D'  
X:1
L:1/8
Q:1/4=112
M:2/4
K:D
 (c |"D" d>)(B A>)F | D2 D>F |"G" G>F G>A |"A7" B>E E>(c |"D" d>)(B A>)F | D2 D>(F |"A7" G)E A>(G | 
"D" F>)D D :: A |"D" d>c d>e | f2 e>d |"Em" e>d e>f | g>B B>f |"Em" g>f g>a | b2 a>g | 
"D" f>a"A7" e>g |"D" f>d d :|  