Develop musical pieces adhering to the provided chord changes.
'A', 'D', 'A', 'Bm', 'E', 'A', 'D', 'Bm', 'E', 'A', 'A', 'D', 'A', 'Bm', 'E', 'A', 'D', 'A', 'D', 'A', 'D', 'E', 'A'  
X:1
L:1/8
Q:1/4=186
M:4/4
K:A
|: E |"A" A2 Ac efec | eaec efec |"D" dfdB"A" cecA |"Bm" dcBA"E" GABc |"A" A2 Ac efec | eaec efec | 
"D" decd"Bm" BcAB |"E" FAGB"A" A3 :: g |"A" a2 (3bag aAcd | aAgA fAeA |"D" dfdB"A" cecA | 
"Bm" dcBA"E" GABd |"A" (3cBA eA"D" fA"A"eA |"D" fgaf"A" ecAc |"D" decd BcAB |"E" FAGB"A" A3 :|  