I Don't Know - Michael Morales
- Entered the US chart on 09 December 1989 and spent 6 weeks in the charts, reaching a high of number 81.
I Don't Know - Baby Washington 
- I Don't Know - Dexter Romweber
- I Don't Know - Diane Youdale
- I Don't Know - Donny Marchand
- I Don't Know - Earl Wright
- I Don't Know - James Brown
- I Don't Know - Lainer & Co
- I Don't Know - Linda Lyndell
- I Don't Know - Lorne Lesley
- I Don't Know - Ruth
- I Don't Know - Ruth Brown
- I Don't Know - The Dixie Nightingales
- I Don't Know - The Honeyz
- I Don't Know - The Keynotes
- I Don't Know - Willie Mabon