Develop musical pieces by incorporating the given chord changes.
'D', 'C', 'D', 'C', 'D', 'C', 'D', 'D', 'A', 'D', 'A', 'D', 'D', 'A', 'D', 'A', 'D', 'G', 'D', 'C', 'D', 'C'  
X:1
L:1/8
Q:1/8=200
M:2/2
K:D
"D" DEFA ded=c |"C" A2 GE =CEGE |"D" DEFA ded=c |1"C" A2 GE"D" EDCE :|2"C" A2 GE"D" FD D2 |: 
"D" f2 fg fedf |"A" e2 ef edcB | ABcd edcd | ea a2 eaag |"D" f2 fg fedf |"A" e2 ef edcB | 
 ABcd e2 dc | A2 GE"D" FD D2 ::"D" df f2 dfaf |"A" ce e2 ce (3gfe |"D" dffe defa |"A" geag fdde | 
"D" f2 de fdAF |"G" G2 BG EGFE |"D" D2 FA ded=c |1"C" A2 GE"D" FD D2 :|2"C" A2 GE ED=CE |]  