Backstreet Boys Announce Six-Night 2026 Into the Millennium German Residency

https://www.billboard.com/music/pop/backstreet-boys-six-night-2026-into-millennium-germany-shows-1236128923 The Backstreet Boys announced the dates for a six-night September/October 2026 Into the Millennium residency run at Merkur Spiel Arena in Düsseldorf.