This is self-described wandering bard, Jiří Wehle, playing the Ninera – the unique Slovak version of the hurdy-gurdy – at Prague Castle in May 2016.
After passing so many other buskers, street musicians and performers, none of whom seemed to fit the ambient (especially skatting jazz ensembles), I was amazed to find someone who not only fit the ambient but actually created it.
Reaching the summit of Prague Castle and having medieval background music played by a true master was a brilliant experience. I bought a CD (Confession) from Jiří and got him to sign it. His website can be found here – http://www.jiriwehle.com/en/