| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Short | DEGermany 1998 | | |
| Silicon Head | NLNetherlands 1998 | | |
| Simm Alley | NLNetherlands 1998 | | |
| Skik | NLNetherlands 1998 | | |
| Solex | NLNetherlands 1998 | | |
| Speakersluts | NLNetherlands 1998 | | |
| Stieber Twins | DEGermany 1998 | | |
| Stonedigger | BEBelgium 1998 | | |
| Suburbs | NLNetherlands 1998 | | |
| Supersub | NLNetherlands 1998 | | |
| Symbiotic | NLNetherlands 1998 | |