Fake famous pianist? - 2022 trend of a video of someone playing the piano and then someone made up that a fake famous pianist was watching

It was a trend around 2022 os something where someone was playing the piano and a comment was like “he doesn’t know he’s playing for [insert fake pianist name]” it was hilarious bc I fell for it and even searched the name up on google it was so funny. find the name of the fake piano player