There was a bit of a shambles the Wednesday before last in Greyfriars Kirk at the first performance of James MacMillan's new commission, entitled Since It Was The Day Of Preparation.

The issue was the timing of the show. All Greyfriars events were billed at a duration of "one hour approximately". On the train to Edinburgh that afternoon, I was phoned by the Festival office, alerting me to the fact that, after a dress rehearsal, the new piece had a running time of 80 minutes. My involuntary imprecation startled the old woman in front of me. The concert was starting at 5.45pm and I had an 8pm deadline.

But, settled in Greyfriars, as the performance progressed, I couldn't fail to sense the unease all around me as people shuffled restlessly, checking the time, giving each other long looks and packing up early. Some left before Part Three of the new work. Somebody in my vicinity seethed quietly: "This is supposed to last an hour."

In the event, with a slightly late start, it ran for 85 minutes, and the instant it finished there was a massive and noisy bale-out. "We'll have lost our bloody 7.15pm table booking," cursed one couple as I pelted out of the kirk. Others were haring off to get to 7.30pm shows at the Playhouse and Festival Theatre. I hope we all made it to our various destinations. (My own review copy landed at 8pm on the button, by which time my nerves were shot to pieces.)

The point is this: it should not have happened. If the MacMillan was not going to fit the Greyfriars chronological template, the Festival should have been aware of it long before the final run-through. Did they ask the composer or performers?

People should have been alerted earlier, though that wouldn't have helped those with all these other Festival commitments immediately after the Greyfriars show. An announcement at the beginning, pointing to the brief pause before Part Three as an escape hatch, might have obviated the panic so many experienced.