This is a machine translation, so errors are possible. Grigory Sokolov, winner of the prestigious Tchaikovsky Competition in 1966, is rightly regarded by experts as one of the greatest living pianists (for many critics addiritura best). Best-known experts and pianofili to the general public, his concerts - of which I witnessed - you leave a mark. His rare recordings (the teachers prefer live music) are - if not all - gathered mainly in this box set that I bought in person at Amazon UK price saw much lower. Read a little of reviews on the internet, and you will realize who you are ... Do not miss!