Compose a piece of music following the given chord progression.
'D', 'G', 'A7', 'D', 'G', 'Em7', 'A7', 'D', 'G', 'A7', 'D', 'A7', 'D', 'F#m', 'Bm', 'Em', 'E7', 'A7', 'D', 'D', 'G', 'A7', 'D'  
X:1
L:1/4
Q:1/2=120
M:2/2
K:D
|:"^A" c |"D" d D F A |"G" B/A/B/c/"A7" d e |"D" f/g/ a"G" B/c/ d |"Em7" e3/2 f/"A7" e c | 
"D" d D F A |"G" B/c/ d"A7" c a/g/ |"D" f d"A7" e c |"D" d2- d ::"^B" f/g/ |"F#m" a f2 a | 
"Bm" f d2 e/f/ |"Em" g/f/e/d/"E7" c d |"A7" e3 f/g/ |"D" a f d f |"D" A d F A | 
"G" d3/2 e/"A7" e3/2 d/ |"D" d3 :|  