Compose a piece of music following the provided chord pattern.
'D', 'G', 'D', 'A', 'D', 'D', 'G', 'D', 'A7', 'D', 'D', 'G', 'D', 'G', 'D', 'A', 'D', 'G', 'D', 'G', 'A', 'D'  
X:1
L:1/4
M:4/4
K:D
|:"D" a a a f |"G" b a"D" f f/d/ |"A" e e e d/e/ |"D" f d B A |"D" a a a f |"G" b a"D" f f/d/ | 
"A7" e g f e |"D" d3 z/ d/ ::"D" A d"G" B/c/ d/B/ |"D" A d"G" B/c/ d/B/ |"D" A f e d | 
"A" e3 z/ d/ |"D" A d"G" B/c/ d/B/ |"D" A d"G" B/c/ d/B/ |"A" e f g c |"D" d z d z :|  