I Know - Perry Como
- Entered the US chart on 06 June 1959 and spent 9 weeks in the charts, reaching a high of number 47.
- Entered the UK chart on 17 July 1959 and spent 16 weeks in the charts, reaching a high of number 13.
- Nominated for the Song Of TheYear by National Academy of Recording Arts and Sciences (Grammy) in 1960
I Know - Andy Kirk & His Clouds Of Joy - I Know - Angel Face
- I Know - Carol Fran
- I Know - Dionne Farris
- I Know - Gloria Jones
- I Know - Jimmy McCracklin
- I Know - Johnny & The Jokers
- I Know - Keely Smith
- I Know - New Atlantic
- I Know - Paul King
- I Know - Philip Bailey
- I Know - Polo G
- I Know - Post Malone
- I Know - Ray Washington
- I Know - Ruth Brown
- I Know - Shift K3Y
- I Know - Sunday
- I Know - The Drifters
- I Know - The Prisonaires
- I Know - The Spaniels
- I Know - Tom Odell