After nearly half a century, the rock band Foreigner is in the middle of its “Historic Farewell Tour,” which began in late 2022 and is set to conclude in 2024, but not before appearing at Little Creek Casino on Sept. 23.

Keyboardist Michael Bluestein, a band member since 2008, admitted to bittersweet feelings about the band’s last tour even as he appreciates the chance to feed off the fans’ energy, live and in-person, during the band’s cross-country tour.

“It’s thrilling that the band’s catalog of songs continues to resonate with so many audiences out there, after all these...