"How Deep Is Your Love" is a pop ballad written and recorded by the Bee Gees in 1977 and released as a single in September of that year. It was ultimately used as part of the soundtrack to the film Saturday Night Fever. It was a number-three hit in the United Kingdom and Australia. In the United States, it topped the Billboard Hot 100 on 24 December 1977 and stayed in the Top 10 for 17 weeks. It spent six weeks atop the US adult contemporary chart. It is listed at No. 27 on Billboard All Time Top 100. Alongside "Stayin' Alive" and "Night Fever", it is one of the group's three tracks on the list. The song was covered by Take That for their 1996 Greatest Hits album, reaching No. 1 on the UK Singles Chart for three weeks. "How Deep Is Your Love" ranked number 375 on Rolling Stone list of the 500 Greatest Songs of All Time. In a British TV special shown in December 2011, it was voted The Nation's Favourite Bee Gees Song by ITV viewers. During the Bee Gees' 2001 Billboard magazine interview, Barry said that this was his favourite Bee Gees song. Composition and recording Following mixing for Here at Last... Bee Gees... Live, the Bee Gees began recording songs for what was to be the follow-up studio album to 1976's Children of the World. Then the call came from Robert Stigwood requesting songs for a movie he was producing. The Bee Gees obliged and gave him five songs, one of which was "How Deep Is Your Love". This track was written mainly by Barry, Robin and Maurice Gibb. Barry worked out the melody with keyboard player Blue Weaver, though he is not credited officially as a songwriter here. Co-producer Albhy Galuten later admits the contribution of Weaver on this track, "One song where Blue [Weaver] had a tremendous amount of input. There was a lot of things from his personality. That's one where his contribution was quite significant, not in a songwriting sense, though when you play piano, it's almost like writing the song. Blue had a lot of influence in the piano structure of that song". Weaver tells his story behind this track: "One morning, it was just myself and Barry in the studio. He said, 'Play the most beautiful chord you know', and I just played, what happened was, I'd