Flavio Stonex Flavio Steinbacher Mels Flavio Stonex is a 21-year-old DJ and music producer from Mels. He currently performs at local festivals, clubs, bars and other parties, mostly in Eastern Switzerland. He has been DJing since 2017 and also produces songs, remixes and mashups himself. On Spotify he released a remix of the party classic `Graubünda` on 09.12.2022.