Kurt from the article also says that he considers it a skill and not a talent (in the Smarter Every Day video). He says it required a lot of training, he needs

Kurt from the article also says that he considers it a skill and not a talent (in the Smarter Every Day video). He says it required a lot of training, he needs to focus and that he also needs to warmup (starting with shorter sequences of sounds). I believe you are right.