Compose harmonious chord progressions to enhance the existing musical composition.
|: BA | G2 GA BAGB | dBeB dBAB | dB.Bd edBA | dBAB GEDE | GFGA BAGB | 
 d2 eB dBAB | dBBd efge | dBAB G2 :: Bc | dggf g2 de | g2 bg agfg | 
 eaag a2 eg | a2 bg ageg | dggf g2 de | g2 bg ageg | d2 Bd efge | 
 dBAB G2 :|  
X:1
L:1/8
M:4/4
K:G
|: BA |"G" G2 GA BAGB |"Em" dBeB"D" dBAB |"G" dB.Bd"Bm" edBA |"D" dBAB GEDE |"G" GFGA BAGB | 
"Em" d2 eB"D" dBAB |"G" dBBd"C" efge |"D" dBAB"G" G2 :: Bc |"G" dggf g2 de |"Em" g2 bg agfg | 
"Am" eaag a2 eg |"D" a2 bg ageg |"G" dggf g2 de |"Em" g2 bg ageg |"G" d2 Bd"C" efge | 
"D" dBAB"G" G2 :|  