[TChad]

I have read that Horowitz usually practiced four hours per day, even back when he attended the Kiev Conservatory as a teenager. Of course, he spent additional hours listening to and thinking about music.

I think the rule is that expertise at Horowitz's level requires not just talent or focused practice, but plenty of both.

[Cedar]

Thanks for the reply. I’m always amazed at the performances of classical musicians, even those not at Horowitz’s level.