Battle of Metal Festival, Geiselwind, Germany
did play three festivals in Summer 2007.
This was the second one - a three-day festival
where The Sisters headlined Day Two.
Their slot started at 0:15 am on 7th July, actually,
and was to last until 1:45 am.
Watch the full concert here on YouTube...
An audience recording and a video DVD from this
concert do exist as well and are in circulation
the according thread @Heartland Forums.