Compose a piece of music following the provided chord pattern.
'D', 'G', 'D', 'Em', 'A7', 'Em', 'A7', 'D', 'D', 'A', 'G', 'D', 'A', 'A7', 'A7', 'D'  
X:1
L:1/4
M:3/4
K:D
|: A/G/ |"D" F A d/e/ | f d A |"G" B/c/ e/d/ B/d/ |"D" A F z/ E/ | D F A |1"Em" B G B |"A7" A3- | 
 A2 :|2"Em" B E"A7" F |"D" D3- | D2 |: A |"D" f d A |"A" e c A |"G" G/A/ B/A/ G/B/ |"D" A F z/ E/ | 
 D F A |1"A" e c B |"A7" A3- | A2 :|2"A7" e d c |"D" d3- | d3 ||  