Compose a musical piece based on the provided chord pattern.
'D', 'Em', 'G', 'D', 'A', 'D', 'Bm', 'C', 'D', 'Em', 'Bm', 'C', 'D', 'A', 'D'  
X:1
L:1/8
M:6/8
K:D
 d |:"D" f3 fed | ABA AFA | f3 fed |"Em" e3 e2 f |"G" g2 g bag |"D" f3 agf |"A" e2 e f2 e |1 
"D" d3 d2 e :|2 d3 d2 g |:"Bm" fBB fBB |"C" gcc gcc |"D" add add |"Em" b3 bag |"Bm" fBB fBB | 
"C" gcc gcc |"D" f3"A" edc |"D" d3 d3 :|  