You have to do a lot of listening, you don't just learn out of yourself.
Well, rhythm is 90 percent of the interpretation.
This young man is an exceptionally gifted and talented violinist ... He is a first class talent.
A specialist is someone who does everything else worse.
Of course the most difficult thing on the violin is always intonation. The second one is rhythm. If you play in tune, in time with a good sound that's already high level. Those three are the main things.
I don't have favourites, I think, when you play, you have to be like a prostitute, you have to love the piece you are playing. Even if you don't like it, you have to play it as if you would like it. Then you are a good interpreter.