| ACT | COUNTRYCNT | EDITIONED | FESTIVALFES |
|---|---|---|---|
| Puts Marie | CHSwitzerland 2015 | | |
| Radio Days | NLNetherlands 2015 | | |
| Rae Morris | GBUnited Kingdom 2015 | | |
| Raglans | IEIreland 2015 | | |
| Raketkanon | BEBelgium 2015 | | |
| Rebeka | PLPoland 2015 | | |
| Rimer London (dj-set) | NLNetherlands 2015 | | |
| Robbing Millions | BEBelgium 2015 | | |
| Rökkurró | ISIceland 2015 | | |
| Rondé | NLNetherlands 2015 | | |
| Ronnie Flex | NLNetherlands 2015 | | |
| RUM&SKUNK | NLNetherlands 2015 | | |
| Samaris | ISIceland 2015 | | |
| Santa Fé | NLNetherlands 2015 | | |
| Sarah-Jane | NLNetherlands 2015 | | |
| Sascha Elisah | NLNetherlands 2015 | | |
| SBMG | NLNetherlands 2015 | | |
| Sea Change | NONorway 2015 | | |
| Seinabo Sey | SESweden 2015 | | |
| SEKUOIA | DKDenmark 2015 | | |
| Sevdaliza | NLNetherlands 2015 | | |
| Sexton Creeps | NLNetherlands 2015 | | |
| Shaka Ponk | FRFrance 2015 | | |
| Shannon Saunders | GBUnited Kingdom 2015 | | |
| Shura | GBUnited Kingdom 2015 | | |
| Sisters | IEIreland 2015 | | |
| Skálmöld | ISIceland 2015 | | |
| SKIP&DIE | NLNetherlands 2015 | | |
| Snowapple | NLNetherlands 2015 | | |
| SOAK | IEIreland 2015 | | |
| Sofie Winterson | NLNetherlands 2015 | | |
| Softengine | FIFinland 2015 | | |
| Soldier's Heart | BEBelgium 2015 | | |
| Sóley | ISIceland 2015 | | |
| Sólstafir | ISIceland 2015 | | |
| SPIDERGAWD | NONorway 2015 | | |
| Sporadisch | NLNetherlands 2015 | | |
| Sprokkelhout | NLNetherlands 2015 | | |
| Stuart Mavis | NLNetherlands 2015 | | |
| STUFF. | BEBelgium 2015 | | |
| Sue the Night | NLNetherlands 2015 | | |
| Sumera | NLNetherlands 2015 | | |
| Sunset Sons | GBUnited Kingdom 2015 | | |
| Sväva | NLNetherlands 2015 | | |
| Sven Hammond | NLNetherlands 2015 | | |
| Swinder | NLNetherlands 2015 | | |
| Sŵnami | GBUnited Kingdom 2015 | | |
| Szabó Balázs Bandája | HUHungary 2015 | | |
| Talisco | FRFrance 2015 | | |
| Talos | IEIreland 2015 | |