Many thanks Leon. If there's any way of sharing the original I am happy to let you have it.
I put it on Youtube but its still only based on a screen-videocapture rather than original (looks OK ish on a phone):
https://youtube.com/shorts/yfrU1z5eY...KCeJKISvvALqCS
Hopefully we get another go in 2 weeks time if it survives the journey- fingers crossed.
Cheers
Gary