Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:A
['c2 ec B2 A2'  
X:1
L:1/8
M:4/4
K:A
"^A""A" a2 a2 egfe |"D" d2 f2"E7" e4 |"A" a2 a2 efed |"E7" cA B2"A" A4 :|"^B""A" c2 ec B2 A2 | 
"D" B2 c2"E7" E4 |"A" c2 ec B2 A2 |"E7" FEFG"A" A4 :|  