Ah, I finally got it:
Warp 1.9 + 7.7 = 1977
like Bob Rifo's tattoo.
because he was bornin 1977!
and here I thought it was gonna be a sweet mash of warp 7.7 and Fucked From Above 1985.
Did anyone see Tiga there?Best set of the night imo, he played deep techno shit, loved it.