Apart from the 'normal' run of rehearsal sessions with Deirdre and Gwilym, Nathalie introduced the novel technique that Deirdre and I referred as 'inside out' rehearsing.
It;s a great technique for sharpening the awareness of the need to listen above all, and let the eyes play second fiddle....It was extremely eye opening to watch, too...
I suspect there were more than one or two nerves jangling. but it was wonderfully successful.