Musicians
The current occupation of'Qui Vive'
| Stefan Heijboer | Stehgeiger |
| Hugo Verwayen | 2nd Violin |
| Imre Gelens | 3rd Violin |
| Arthur van Asbeck | Cello |
| Jeroen van Aubel | Piano |
| Roos van Genuchten | Clarinet |
| Matthijs Ruoff | Bass |
For a performance the occupation can vary from a minimum of four to a maximum of eight people. This depends on the availability of the orchestra members, and the nature of the occasion.
Former members of 'Qui Vive'.
| Femke | Limburg | Violin | Stehgeieger | 2004 | 2008 | |
| Céline | Rottier | Piano | Manager | 2004 | 2005 | |
| Elmer | Rietveld | Piano | 2004 | 2005 | ||
| Maartje | Folbert | Violin | 2003 | 2005 | ||
| SeBasstiaan | Waelkens | Bass | 2005 | |||
| Arnout | de | Pee | Cello | Manager | 2005 | |
| Hanneke | Mos | Violin | Stehgeiger | 2005 | ||
| Lizan | Hegeman | Fluit | 2001 | 2004 | ||
| Eline | Stoop | Violin | Stehgeiger | 1998 | 2004 | |
| Claire | de | Nerée | Cello | 1998 | 1999 | |
| Lies-Anne | Schreuder | Violin | 1998 | 1999 | ||
| Sabine | Jansen | Fluit | Manager | 1997 | 2002 | |
| Jehan | Coyajee | Clarinet | 1996 | 1999 | ||
| Jochem | van der | Graaff | Bass | 1996 | 1999 | |
| Evelien | van der | Esch-Lange | Violin | Stehgeiger | 1996 | 1998 |
| Michiel | van | Rooij | Cello | 1996 | 1998 | |
| Marc | Numann | Piano | 1995 | 2004 | ||
| Koen | Vermeer | Violin | Stehgeiger | 1995 | 2001 | |
| Pauke | Corstens | Fluit | 1995 | 1998 | ||
| Pascal | van | Putten | Piano | 1995 | 1998 | |
| Derk Jan | Kwik | Violin | Stehgeiger | 1994 | 1997 | |
| Stephanie | Holterman | Violin | Manager | 1993 | 1995 | |
| Arjen | Hoekstra | Fluit | 1991 | 1995 | ||
| Ayumu | Imai | Piano | 1991 | 1995 | ||
| Femke | Vossepoel | Piano | 1991 | 1994 | ||
| Piet Jan | Brouwer | Clarinet | Manager | 1990 | 1995 | |
| Basstiaan | Vinkenburg | Cello | 1989 | 1995 | ||
| Albert | Hulshoff | Violin | Stehgeiger | 1989 | 1994 | |
| Menno | Maingay | Violin | 1989 | 1993 | ||
| Yolande | Hasselo | Fluit | 1989 | |||
| Willem | Gorter | 1988 | ||||
| R. | Kamerbeek | 1988 | ||||
| Jeroen | Gunning | 1987 | 1988 | |||
| Makkie | le | Mahieu | Piano | 1987 | ||
| Louis | Portielje | Percussion | 1985 | 1986 | ||
| Rolf | Beinema | Violin | Stehgeiger | 1984 | 1985 | |
| Gitta | Metselaar-Zaalberg | Trumpet | 1984 | 1983 | ||
| Floris | Ingen Housz | Bass | 1983 | 1990 | ||
| Benjamin | Spruit | Cello | 1982 | 1989 | ||
| Gerrit Jan | Hallink | Violin | 1981 | 1988 | ||
| Pascal | Nientker | Violin | 1981 | 1988 | ||
| Jur | van | Oerle | Clarinet | 1981 | 1987 | |
| Hans | de | Herman-Groot | Violin | Stehgeiger | 1981 | 1985 |
| Gijs | van der | Nooy Kolff | Cello | 1981 | 1985 | |
| Arne | Theil | Piano | Founder | 1981 | 1985 | |
| Floor | de van | Block Kuffeler | Cello | 1981 | 1983 | |
| Nienke | Bruinsma | Fluit | 1981 | 1983 | ||
| Peter | Mechelse | Percussion | 1981 | 1983 | ||
| Kitty | van der | Paardt | Bassoon | 1981 | 1983 |
