This is Ricardo Gallen plays Sor's Grand Sonata Op.22. I think it's in Moscow, it's posted on RG's own channel.
Let's the music and performance speak for itself.
'The woolen cloth of his suit made me question the value of Chinese silks. His fountain pen made me ashamed of my writing brushes and Chinese writing paper' - Puyi
'I don't write music to be difficult, only to be more like itself' - Harrison Birtwistle