Coltrane was moving out of jazz into something else. And certainly Miles Davis was doing the same thing.
As the work proceeded we found that the western end of the cutting receded under the slope of the rock, and thus was partly roofed over by the overhanging rock.
It was far more fun than work doing those shows for all those years, we all loved each other and loved going to work, we all understood how fortunate we were to be in that place, to have achieved that success worldwide.