Develop musical pieces by incorporating the given chord changes.
'A', 'E7', 'A', 'E7', 'A', 'E7', 'A', 'E7', 'A', 'E7', 'A', 'Bm', 'A', 'Bm', 'E7', 'A', 'D', 'A', 'A', 'E7', 'A', 'Bm', 'E7', 'A', 'E7', 'A', 'Bm', 'E7', 'A'  
X:1
L:1/8
M:2/2
K:A
 cd |"A" edcd eagf | fe e2 e2 cd | efec efec |"E7" cB B2 B2 cd |"A" edcd eagf | fe e2 e2 cd | 
 efec"E7" BABc |"A" A2 AA A2 || z e |"E7" ^defe =deBe |"A" ceAe ceAe |"E7" ^defe =dcdB | 
"A" BAAA A2 e2 |"E7" ^defe =deBe |"A" ceAe ceAe |"Bm" BA"A"Bc"Bm" de"E7"fg | 
"A" ag"D"[ad]g"A" [ac]2 || cd |"A" e2 AB c2 Bc |"E7" d2 a2 g2 fg |"A" a2 c'b a2 gf | 
"Bm" e2 dc"E7" B2 cd |"A" e2 AB c2 Bc |"E7" d2 a2 g2 fg |"A" agfe"Bm" dcBA |"E7" cBAG"A" A2 |]  