Recorded as a decision rather than an omission — he saw the venue, could not
soundcheck, and chose at midnight not to run the arc. The consequence is that
one hour between the talks ending and doors is the entire empirical test of a
two-hour set, so the plan protects that hour: every machine step moves before
5pm, and the hour itself is ears only.

Two orderings that matter and are easy to get backwards: plug the UMC BEFORE
gig-up, because Ardour restores its own saved ports and does not follow the
PipeWire default sink; and check the MIDI log is actually capturing during the
hour, because nine previous sessions were empty while their headers said
otherwise.