Passage: Fuelled by the film's success, the soundtrack broke multiple industry records, becoming the highest-selling album in recording history to that point. With more than 40 million copies sold, Saturday Night Fever is among music's top five best selling soundtrack albums. As of 2010, it is calculated as the fourth highest-selling album worldwide.In March 1978, the Bee Gees held the top two positions on the US charts with "Night Fever" and "Stayin' Alive", the first time this had happened since the Beatles. On the US Billboard Hot 100 chart for 25 March 1978, five songs written by the Gibbs were in the US top 10 at the same time: "Night Fever", "Stayin' Alive", "If I Can't Have You", "Emotion" and "Love Is Thicker Than Water". Such chart dominance had not been seen since April 1964, when the Beatles had all five of the top five American singles. Barry Gibb became the only songwriter to have four consecutive number-one hits in the US, breaking the John Lennon and Paul McCartney 1964 record. These songs were "Stayin' Alive", "Love Is Thicker Than Water", "Night Fever" and "If I Can't Have You".

Question: What were Barry Gibb's four number-one hit songs that led to his record-breaking streak?
"Stayin' Alive", "Love Is Thicker Than Water", "Night Fever" and "If I Can't Have You"