Compose a chordal backing that synchronizes seamlessly with the existing melody.
d |: B2 z d | B2 z d | ed cB | (d2 c)c | A2 z c | A2 z d/d/ | dc BA |1 G2 z d :|2 
 G2 z2 |:[Q:1/4=126] (B>c) dd | (cA) FF | (c>A) FF | ee dG | (B>c) dd | (cA) FF | 
 (c>A) FF |1 ed G z/ :|2 ed!D.C.! G |]  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
 d |:"G" B2 z d | B2 z d |"D7" ed cB | (d2 c)c | A2 z c | A2 z d/d/ | dc BA |1"G" G2 z d :|2 
"G" G2 z2 |:[Q:1/4=126]"G" (B>c) dd | (cA) FF | (c>A) FF |"D7" ee dG | (B>c) dd | (cA) FF | 
 (c>A) FF |1"G" ed G z/ :|2"G" ed!D.C.! G |]  