| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Magicrays | CHSwitzerland 2003 | | |
| Mando Diao | SESweden 2003 | | |
| Manitoba | GBUnited Kingdom 2003 | | |
| Marit Bergman | SESweden 2003 | | |
| MC Sonistar | GBUnited Kingdom 2003 | | |
| Me Mystery | NLNetherlands 2003 | | |
| Mick Hart | AUAustralia 2003 | | |
| Miss Black America | GBUnited Kingdom 2003 | | |
| Mo' Jones | NLNetherlands 2003 | | |
| Moordgasten | NLNetherlands 2003 | | |
| Mouse | GBUnited Kingdom 2003 | |