Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
"^A1" B/c/ | d2"^/" B A | G3/2 A/"^/" B A/B/ | c2"^/" A G | F2-"^/" F E/F/ | 
 G D A D | B G c A | d G e/d/c/B/ | A2- A B/c/ |"^A2" d2"^/" B A | 
 G3/2 A/"^/" B A/B/ | c2"^/" A G | F2-"^/" F E/F/ | G D A D | 
 B G c A | d G/A/ F3/2 G/ | G2-"^/" G |:[K:Gmin]"^B" B/c/ | 
 d d"^/" d c/B/ | c F-"^/" F G/A/ | B B"^/" B A/G/ | A2-"^/" A G/A/ | 
 B G c A | d B e c | d c/B/ A3/2 G/ | G2-"^/" G :|  
X:1
L:1/4
Q:1/2=96
M:2/2
K:G
"^A1" B/c/ |"G" d2"^/" B A |"Em" G3/2 A/"^/" B A/B/ |"Am" c2"^/" A G |"D7" F2-"^/" F E/F/ | 
"G" G D"D/F#" A D |"Em" B G"D7" c A |"G" d G"C" e/d/c/B/ |"D" A2-"D7" A B/c/ |"^A2""G" d2"^/" B A | 
"Em" G3/2 A/"^/" B A/B/ |"Am" c2"^/" A G |"D7" F2-"^/" F E/F/ |"G" G D"D/F#" A D | 
"Em" B G"D7" c A |"G/B" d"C" G/A/"D7" F3/2 G/ |"G" G2-"^/" G |:[K:Gmin]"^B" B/c/ | 
"Gm" d d"^/" d c/B/ |"F" c F-"^/" F G/A/ |"Eb" B B"^/" B A/G/ |"D" A2-"^/" A G/A/ | 
"Gm" B G"D7/A" c A |"Gm/Bb" d B"Cm" e c |"Gm/D" d c/B/"D7" A3/2 G/ |"Gm" G2-"^/" G :|  