The official opening party for Finnish festivals season, Sideways, will be organized next summer at Nordis area on June 6.-8. First acts have now been announced, and cheaper early bird tickets are now for sale for 119€ / 3 days.

- brit pop pioneers Suede (UK) 
- hip hop icon Nas (US)
- indie rock artist Kurt Vile and The Violators (US) 
- American hip hop talents Lizzo (US) and Danny Brown (US)
- Hottest British punk band IDLES (UK) 
- post-modern pop group Let’s Eat Grandma (UK)
- upcoming indie artist Snail Mail (US)
- psychedelic rock group Kikagaku Moyo (JP)
- Finnish acts: D.R.E.A.M.G.I.R.L.S.Pää KiiOlavi UusivirtaDJ IbusalLac BelotVuoret, Radiopuhelimet and Rosita Luu