UFO endures. In fact, if the apocalypse happens—which is looking more likely as each day passes—besides cockroaches and Twinkies, one can expect the seminal hard rock group, at least in some incarnation, to soldier on.

The English rock outfit started more than 45 years ago. They were one of the pre-eminent performers of space rock, a subgenre within a subgenre. That means long instrumental breakdowns featuring organs, synthesizers and anything-goes guitar playing. That means a measured pace. That means lyrics involving science fiction or outer space. Part psych rock, part prog rock, it’s a trip. But UFO also veers often into more mainstream hard rock. “Doctor Doctor” is live showpiece that heads bang to. Because UFO adapts and UFO endures.

The current lineup features original members Phil Mogg on vocals—he’s the only member who has been in every version of the band—and Andy Parker on drums. Rounding out the bill are Paul Raymond on keyboards (began with the band in ’76), Vinnie Moore on guitar (started in 2003) and Rob De Luca on bass (first gig with the crew was in 2008). While there are almost 30 former members, it’s noteworthy that UFO is kicking butt in concert and still doing it their way. UFO endures.

House of Blues at Mandalay Bay, 7 p.m. March 19, $25 plus tax and fee, 18+. 800.745.3000 Ticketmaster