Compose music by utilizing the specified chord transitions.
'A7', 'D', 'G', 'Em', 'A7', 'D', 'G', 'Em', 'A7', 'D'  
X:1
L:1/8
M:3/4
K:D
 A"A7" f>g |"D" f3 e d>c |"G" c/ B3 B/ g>f |"Em" e3 d e>f |"A7" A3 A f>g |"D" f3 e d>c | 
"G" c/ B3 B/"Em" g>B |"A7" c3 d e>d |"D" d3 :|  