Invent engaging chord sequences that bolster the harmony of the existing music.
|: d2 BG d2 BG | FG AB cB AG | d2 BG d2 BG | FG AF G4 :: G2 GG"^(D7)" FG AB | 
 cA dc Bc AF | G2 GG BG dc | Bc AF G4 :|  
X:1
L:1/8
M:2/2
K:G
|:"G" d2 BG d2 BG |"D7" FG AB cB AG |"G" d2 BG d2 BG |"D7" FG AF"G" G4 ::"G" G2 GG"^(D7)" FG AB | 
"D7" cA dc Bc AF |"G" G2 GG BG dc |"D7" Bc AF"G" G4 :|  