| SADI | Vibes - Percussion - Vocals - Composer/arranger |
| SANDY Herman | Trumpet/flugelhorn |
| SAUCEZ Philippe | Bass clarinet |
| SAVINIEN Fred | Percussion |
| SCHEPERS Nico | Trumpet/flugelhorn |
| SCHILLEBEECKX Raphaël | Guitar |
| SCHREURS Dirk | Keyboards |
| SCHREURS Jokke | Guitar |
| SCHUMACHER Pascal | Vibraphone |
| SCINTA Jo | trumpet - vocals |
| SCORIER Alex | Tenor/soprano sax - Flute |
| SEBA Michel | Percussion |
| SEEUWS Willy | Drums |
| SENIOR David | Trumpet - trombone - vocals |
| SILVAPULLE Max | Drums |
| SIMON Claudine | Piano - Composer/arranger |
| SIMTAINE Félix | Drums |
| SLUIJS Ben | Alto sax - Flute - Composer |
| SMET Catherine | Piano |
| SOMER Emmanuelle | Oboe/English horn/bass clarinet/soprano sax |
| SOORS Dominique | Drums |
| SPERBER Marc | piano |
| SPIES Gyuri | Composer/arranger |
| STALON Olivier | Electric/acoustic bass |
| STANDAERT Marie-Anne | Trumpet/flugelhorn |
| STEFFENS Jean-Pol | Trumpet/flugelhorn |
| STOKART Daniel | Alto/soprano sax |
| STOTZEM Jacques | Guitar - Composer |
| SUNDER Freddy | Guitar - Composer/arranger |
| SWYNGEDOUW Jacques | Trumpet/flugelhorn - Piano |