Remember “Toi et Moi,” the pectacular music video from which the above image is grabbed? Well, the terrific twosome who brought you that indelible

and perhaps slightly more delible audio, Dmitri Hvorostovsky and Igor Krutoi, have done it again. Their newest collaboration, “a once-in-a-lifetime musical event” called “Deja Vu” arrives at Radio City Music Hall on March 6.

So, what is “Deja Vu,” you ask? Is it opera, rock concert, arena show, or what?

The answer is “or what,” actually. Ironically, “Deja Vu” promises to be something you’ve never seen before, to wit:

Breaking all operatic strictures and inventing a new style of music called “mono-show”, Krutoi and Hvorostovsky achieve the impossible; a perfect culmination of sight and sound in an epic high fantasy theatrical program filled with arias, ballads, parables, aerial installations, extensive scenery, state of the art lighting design, and a world class orchestral and choral accompaniment.

And it goes something like this: