Develop harmonious chord sequences that enhance the given musical composition.
|: g d- d B- B A | B/c/ d A/B/ c B2 | g d- d B- B A | 
 B/c/ d G F G2 :: f a- a f- f d | g/a/ b e/f/ g f2 | 
 f a- a f- f d | d/e/ f A/B/ ^c d2 | B/c/ d B/c/ d e2 | 
 e/f/ g e/f/ g f2 | g d- d B- B c | A2- A2 G2 :|  
X:1
L:1/4
M:3/2
K:G
|:"G" g d- d B-"D7" B A |"G" B/c/ d"D7" A/B/ c"G" B2 |"G" g d- d B-"C" B A | 
"Am" B/c/ d"D7" G F"G" G2 ::"D" f a- a f- f d |"G" g/a/ b"A7" e/f/ g"D" f2 | 
"Fm" f a- a f-"Bm" f d |"Em" d/e/ f"A7" A/B/ ^c"D7" d2 |"G" B/c/ d"G7" B/c/ d"C" e2 | 
"Am" e/f/ g e/f/ g"D7" f2 |"G" g d- d B-"C" B c |"Am" A2-"D7" A2"G" G2 :|  