Develop harmonious chord sequences to enhance the given tune.
BcBG EFGA | BcBG A4 | DEFG ABAF | GABc d4 | BcBG EFGA | BcBG A4 | DEFG ABAF | 
 G2 FG E4 :: G,2 (3B,A,G, A,B,CA, | B,DGB d2 dB | ceAc BAGB | 
 AGFE DCB,A, | G,2 (3B,A,G, A,B,CA, | B,DGB d2 dB | ceAc BAGB | 
 AGFA G4 :|  
X:1
L:1/8
M:4/4
K:G
"Em" BcBG EFGA | BcBG"D" A4 | DEFG ABAF |"G" GABc"D" d4 |"Em" BcBG EFGA | BcBG"D" A4 | DEFG ABAF | 
 G2 FG"Em" E4 ::"G" G,2 (3B,A,G,"D" A,B,CA, |"G" B,DGB d2 dB |"C" ceAc"G" BAGB | 
"Am" AGFE"D" DCB,A, |"G" G,2 (3B,A,G,"D" A,B,CA, |"B" B,DGB d2 dB |"C" ceAc"G" BAGB | 
"D" AGFA"G" G4 :|  