Construct a harmonic backdrop to enhance the provided melody.
G3- G/A/ || Bd cA | BG EF/E/ | DB cB | A3 d | ee ce/c/ | dd Bd | ed cB | 
 AG FE | D/G/B c (3B/d/B/ | G B3 | D/G/B/D/ cB | A4 | E/F/A/E/ cB | A A2 F/E/ | DD EF | 
 G2 G2 ||  
X:1
L:1/8
M:2/4
K:G
"G" G3- G/A/ || Bd"D7" cA |"G" BG EF/E/ | DB"D7" cB | A3 d |"C" ee ce/c/ |"G" dd Bd |"C" ed cB | 
"D7" AG FE |"G" D/G/B c (3B/d/B/ | G B3 | D/G/B/D/ cB |"D7" A4 | E/F/A/E/ cB | A A2 F/E/ | DD EF | 
"G" G2 G2 ||  