Instagram/Post Malone & Bailey Zimm Music Post Malone headlines Strummingbird Festival 2026 in Australia. Three dates in Ballarat, Newcastle & Sunshine Coast. Tickets on sale May 13-14. May 5, 2026 AceShowbiz - The Grammy-nominated artist Post Malone is set to headline Australia's Strummingbird Festival in 2026, organizers announced this week. The popular country music event will take place over three dates in Ballarat, Newcastle, and the Sunshine Coast, featuring an impressive lineup of both international and Australian country acts.