Audition 3 for mixing, Ozone 3 reverb plug-in, and some mild compression on the bass from the optical compressor on one of my LA-610 channel strips. Audition is all I ever use! I'm not sure exactly what he was tracking with, he had it all loaded up in Audition by the time we cleaned up the studio and I stuck my head in the control room. It's nice to be able to play while somebody else does the running around for a change!
Equipment was: (near as I can remember...)
Piano had an AKG 414 under the half-open lid. LA 610 preamp
Bass and guitar amps each had a Neumann KM 184 on the cabinet into LA 610s as well
A couple of Rode NT-1As as room overheads
...and he had every other small condensor I own arrayed around the drum kit...
There were Rodes, Neumanns, and some old TOA K1s into a Presonus StudioLive 16.4.2 board and all into a M-Audio Delta 1010 interface.