The song “Our New World” encapsulates the sound prog-metal workhorses Dream Theater have been perfecting for three decades: a heavy, anthemic blend of intricate songwriting and musicianship.

And -- spoiler alert -- it also serves as the triumphant climax for the band’s concept album, “The Astonishing,” according to guitarist, songwriter and founding member John Petrucci. The video for “Our New World” premieres today on Speakeasy. (See below.)

...