Happy [C/] Birthday to [G7/] You
Happy [G7/] Birthday to [C/] You
Happy [C/] Birthday dear [F/] -NAME-
Happy [C/] Birthday [G7/] to [C/] You

Happy [C] Birthday to [G7] You
Happy [G7] Birthday to [C] You
Happy [C] Birthday dear [F] -NAME-
Happy [C//] Birthday [G7/] to [C/] You