Glade Jul is the second album of the Norwegian soprano Sissel Kyrkjebø.[1] The album was recorded with the Bergen Philharmonic Orchestra. It sold 450,000 copies in 1987 and has sold over 60,000 copies in Norway since then.[2] Adding the releases in other countries, the sales number has passed the one million mark since then.[3] The album was mainly sold in Norway, whose population is less than five million.[4]Glade Jul is the all-time best-selling album in Norway.[5]
Stilla Natt is the Swedish version of the Norwegian Christmas release Glade Jul from the same year, with some songs sung in Swedish instead of Norwegian.