Develop musical pieces that align with the given chord changes.
'D', 'D', 'A', 'A7', 'D', 'A7', 'D', 'A7', 'D', 'E7', 'A', 'A', 'E7', 'E7', 'A', 'E7', 'A', 'A', 'E7', 'A'  
X:1
L:1/4
M:4/4
K:D
 F G |:"D" A2 A3/2 B/ | A F2 A |"D" f2 f3/2 e/ | d A B A |"A" e2 e3/2 d/ |"A7" c A B c |1 
"D" d3/2 d/ c B |"A7" A F G ^G :|2"D" d A"A7" B c |"D" d2 |:"E7" c d |"A" e2 e3/2 e/ | e f e d | 
"A" d c- c =c | c2 d c |"E7" c B- B c |"E7" d2 c B |1"A" A3/2 A/"E7" c d |"A" e2 :|2 
"A" A3/2 A/"E7" c B |"A" A2 ||  