Sławomir Zubrzycki – pianist, claviolinist, composer, and constructor of musical instruments. In 2009 Zubrzycki came across the traces of a real rarity – the keyboard-bowed instrument designed by Leonardo da Vinci, but which had almost been unknown and forgotten. Fascinated by the facts from the past, in the years 2009 – 2012 Zubrzycki created his own version of Leonardo da Vinci’s design and brought to life an instrument with a unique sound and ready to concert.