This would have been one of those cases that, if time and money permitting, a digitallly recorded version at 2496 would have been in order and then listened to over the course of a couple of days and then had everyone come back for the D2D recording.
What ever engineering compromises that were made would have been caught in 2496 auditions and mic placment corrections made. Those also could have been made during the practice run and adjustments made track by track.
I remember the first time I showed up to record the Saxophone Ensemble for the University of West Ga (20+ talented saxophone players) during their summer classes and found out they had 75 more players show up for a total of nearly 100 saxophone players on the small stage at the Townsend Center and nearly no place for my mics and no time to deal with "proper placement", what ever that might have been. To say I felt overwhelmed would be an understatement. At least I didn't have varoius instruments to deal with.
There was no way to do anything but an ORTF pair and hope for the best, but that really doesn't work perfectly if you have a piano you really want to capture intimately and a drummer who can't hold back a little and play "with" the ensemble. A lot of challenges that must be auditioned first I'm afraid.
Do you have a link to this purchase?