St. Pölten/Vienna – The line -up for the FM4 Frequency Festival takes shape and can already come up with prominent names. With the freshly baked Grammy winner Chappell Roan, one of the hottest newcomers comes to St. Pölten, but Hollywood star Will Smith also honors the festival. Post Malone has already been announced, now the British rapper Central Cee, Papa Roach, Suki Waterhouse, Nina Chuba and Kygo are joining, as organizers Barracuda announced.