No, this isn't a remix, though the song title certainly implies there's a lot going. It's actually the first single of Aphex Twins' upcoming album Syro, the artist's first release in 13 years.
The track clocks in at just under five minutes, and certainly pushes the boundaries of experimental electronica.
Personally I'd take Boards Of Canada over this, but I figure -- the whole music community is up in arms, so there's clearly something worth writing about.
The track's available at Bleep.