Do you remember the 21st night of September?

NPR: "The Song That Never Ends: Why Earth, Wind & Fire's 'September' Sustains."

"The, kind of, go-to phrase that Maurice used in every song he wrote was 'ba-dee-ya,' " she says. "So right from the beginning he was singing, 'Ba-dee-ya, say, do you remember / Ba-dee-ya, dancing in September.' And I said, 'We are going to change 'ba-dee-ya' to real words, right?' "

Wrong. 

I've always kinda liked this version from "Get Over It":