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>> some of the etudes like "the soter wind," is iit is difficult. figuring is hard to play even. it is already difficult but it is level one. and how to make those runs like winds, like rote coasters in the most beautiful, artistic ways rather than playing like a scale. like other your neighbors. so that takes time. in need to -- you need to have a power balance mentally and physically. that takes a long time to practice. that is just the technical side. there is some music. i still remember when i was a kid i found this beautiful music but i did not understand what is the meaning under the notes. now start to play, i start to digest, almost like drinking a cup of tea and digest. tavis: to your point about the technical proficiency that you have to have to take -- place of the the tubes -- etudes. prince and i were having a conversation. it was specifically about how he knew that he was -- how he knew he was playing his best, that he was really giving the kind of interpretation he wanted to give. he is not playing classical stuff but the conversatio