Brian is indeed a force of nature. Besides composing, playing (and not just the fiddle) and singing, he organizes incredible programs for teaching and sharing traditional music, and writes wickedly witty mysteries in his spare time. (Jerry Garcia of course not only painted but was an avid scuba diver too.)
He met us (with Ed Miller) at a pub once somewhere near the Scots border and spent two days (round the clock, really) fascinating and exhausting us.