In case anyone is interested in the gearslutty rundown:
A beautiful room with great acoustics, a Yamaha C7, a Nord Electro 3 with a tack hammer patch, a projector that made a bit of noise, prop wranglers that inevitably made a bit of noise.
2 Crown PCC mics inside the piano
Nord into JDI (taped on to the keyboard). Also put into the room's PA system.
AKG 535EB mics for vocals and mandolin
RE20 on guitar
421 on cello that only gets used briefly because the cello bled a lot into the bass mic
441 on bass near the f-hole (volume over tone... a frequent compromise in this sort of set up... still sounds pretty good!)
2x AKG 451Bs for room mics
All recorded into a Presonus StudioLive 16.4.2 using Capture. As I was playing piano I didn't have much opportunity to tweak the tracking setup.
Volume automated so that the room mics are more prominent when the camera is further away at the start and finish. The piano increases in volume during the 3 times the camera moves to it, and the mando and cello come up the one time the camera moves to them (the only point I used the cello mic).
Video: Canon 7D on some sort of steady-mount.