| Date | Location | Name | Instrument |
|---|---|---|---|
| 1991-07-21 | Casino Montreux | Ashford and Simpson, Andrae and Sandra Crouch and Tata Vega | - |
| 1991-07-21 | Casino Montreux | The Atlanta Superchoir | - |
| 1992-07-11 | Casino Montreux | Atlanta Super Choir | - |
| 2005-07-02 | Auditorium Stravinski | Isaac Hayes | - |