Upcoming Events No upcoming events scheduled yet. Stay tuned! Past Events 22/04/2023 Sofia, Bulgaria, City Stage Optiv Stories: C4C x Eatbrain League x HMSU / CZA x Gridlok x Current Value x Jade x MNDSCP x Coppa CZA 25/03/2023 Budapest, Hungary, Dürer Kert Optiv Stories: CURRENT VALUE (DE), CZA – CAUSE4CONCERN (UK) CZA 31/10/2022 Lisbon, Portugal, TBA TBA CZA 29/10/2022 Porto, Portugal, TBA TBA CZA 30/09/2022 Sofia, Bulgaria, Koncept Space 1999 Agency Launch Night CZA 03/07/2022 Sofia, Bulgaria, Sofia Airport Park HILLS OF BASS @ Hills of Rock Sofia Edition 2022 CZA 13/05/2022 Maribor, Slovenia, Dvorana Gustaf Pekarna Bass Fighters pres. Akcija / Cause4Concern (UK) / 13.05.2022 CZA 16/04/2022 Sofia, Bulgaria, Koncept Space 5 Years Creative Minds pres. Cause 4 Concern Special Label Night CZA 19/03/2022 Sofia, Bulgaria, Toplocentrala 22/23 Years HMSU CZA