1969: The music / comedy trio, Scaffold, which included Paul McCartney's younger brother Mike, led the UK singles chart with a novelty tune called "Lily The Pink". Elton John, along with Graham Nash of The Hollies, contributed backing vocals and Jack Bruce of Cream played bass guitar.
1973: Carly Simon's "You're So Vain" leads the US hit parade, stirring speculation about exactly who she was singing about. In 2015 Simon told People magazine that the subject in question is actually a composite of three different men, including actor Warren Beatty, but did not include her ex-husband, James Taylor. She later complicated the debate by claiming that she was singing about openly gay record producer David Geffen.
1980: The first number one song of the eighties belonged to KC And The Sunshine Band for "Please Don't Go". It was their fifth and final US chart topper.
1975: Elton John's remake of The Beatles' "Lucy In The Sky With Diamonds" becomes his tenth US Top Ten hit and his third number one. The recording included John Lennon on guitar.