Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/8
M:4/4
K:C
['c2 BA', 'B2 g2 fe g/a/b b2 B/c/d cA'  
X:1
L:1/8
M:4/4
K:C
[K:A] c2 BA c/d/e e2 | F2 ED C/D/E E2 | c2 BA c2 BA | aedc c2 B2 :: g2 fe g/a/b b2 | 
 B/c/d cA d/e/f f2 | d/e/f dB c/d/e cA | B/c/d FG A2 A,2"^*" :|  