Develop harmonious chord sequences that enhance the given musical composition.
"^A" g/f/ a/g/ f/g/ | e2 c' | (b3 | b) a g | a3 | a g f | g3 | d3 | 
 g/f/ a/g/ f/g/ | e2 c' | (b3 | b) a g | (a3 | a) g f | g3/2 g/ g | g z"_Fine" z :: 
"^B" g B d | g3 | b d g | b3 | c'3 | b3 | !>!a3 | g f/e/ d | g B d | g3 | b d g | 
 b3 | c'3 | b3 | a2 f | g z z ::[K:C]"^C" (e2 g) | (f2 a) | (e2 g) | z a g | 
 (b2 a) | (a2 g) | (g2 f) | e a g | (e2 g) | (f2 a) | (e2 g) | z a g | (b2 a) | 
 (g2 f) | e3/2 c'/ c' | c'"_>Teil A" z z :|  
X:1
L:1/4
M:3/4
K:G
"^A""C" g/f/ a/g/ f/g/ | e2 c' |"G" (b3 | b) a g |"D7" a3 | a g f |"G" g3 | d3 | 
"C" g/f/ a/g/ f/g/ | e2 c' |"G" (b3 | b) a g |"D7" (a3 | a) g f |"G" g3/2 g/ g | g z"_Fine" z :: 
"^B""G" g B d | g3 | b d g | b3 |"C" c'3 |"G" b3 |"D7" !>!a3 |"G" g f/e/ d | g B d | g3 | b d g | 
 b3 |"C" c'3 |"G" b3 |"D7" a2 f |"G" g z z ::[K:C]"^C""C" (e2 g) |"F" (f2 a) |"C" (e2 g) | z a g | 
"G7" (b2 a) | (a2 g) | (g2 f) |"C" e a g | (e2 g) |"F" (f2 a) |"C" (e2 g) | z a g |"G7" (b2 a) | 
 (g2 f) |"C" e3/2 c'/ c' | c'"_>Teil A" z z :|  