Written by Benny Andersson and Björn Ulvaeus, the song features Agnetha Fältskog on lead vocals as a narrator watching the "late show" in her flat, completely alone. The lyrics contrast her isolation with the happy endings of movie stars, using the howl of autumn winds and "shadows" to symbolize her despair.

Critics have described it as a "masterpiece of Scandinavian frankness". Despite its upbeat disco rhythm—inspired by Donna Summer's "Hot Stuff"—it gives a powerful, unambiguous voice to female desire and longing. The Sound of the Night

: The iconic melody was crafted using an ARP Odyssey synthesizer.

: In 2024, the song was reissued with a Dolby Atmos remix and a 4K remastered music video.

See the original 1979 music video, directed by Lasse Hallström, which features the group recording in the studio: