"September" by the band Earth, Wind & Fire, was released as a single in 1978 for The Best of Earth, Wind & Fire, Vol. 1,
Using a chord progression written by Earth, Wind & Fire guitarist Al McKay, vocalist Maurice White and songwriter Allee Willis wrote the song over one month.
https://en.wikipedia.org/wiki/September_(song)
https://en.wikipedia.org/wiki/The_Best_of_Earth,_Wind_&_Fire,_Vol._1
https://en.wikipedia.org/wiki/Earth,_Wind_&_Fire
Using a chord progression written by Earth, Wind & Fire guitarist Al McKay, vocalist Maurice White and songwriter Allee Willis wrote the song over one month.
https://en.wikipedia.org/wiki/September_(song)
https://en.wikipedia.org/wiki/The_Best_of_Earth,_Wind_&_Fire,_Vol._1
https://en.wikipedia.org/wiki/Earth,_Wind_&_Fire