Janet Jackson will perform at the Royal Sandringham Estate in August 2026. The occasion is the Heritage Live Festival. Janet Jackson (60) will perform in the summer in front of a royal backdrop: The singer has been announced for the Heritage Live Festival at the famous Sandringham Estate in Norfolk, a private home of the British royal family. Jackson will be on stage on August 19. As special guests, the organisers will perform ex-fugue member Wy…