Produce musical lines that synchronize with the established chord pattern.
'A', 'B', 'C'  
X:1
L:1/8
M:4/4
K:A
"A" |: c2 cB AG AB | c2 ed c2 B2 | c2 cB AG AB | c2 ed B4 :|"B" |: cd ef ed cB || c2 A2 A2 c2 | 
 d2 c2 B4 :|"C" |: cd e2 cd e2 | cd ef d2 c2 | f3 e d2 c2 | f3 e d2 c2 | cd ec dc BA | 
 GA BG A2 ed | c2 BA B2 ed | c2 B2 A2 ed | c2 BA B2 ed | c2 B2 A2 :|  