After the 20th century, composers and performers were basically separated. There are really not many composers and performers. The reason is that with the rapid development of performance technology and the original repertoire library is large enough, full-time performers Just training and memorizing scores have taken up too much energy, and composing itself also consumes a lot of time and energy. It is not as simple as a melody coming up with an idea. Therefore, there are very few composers and performers who are one. After the 20th century, it became even more The most successful composer and pianist of the 20th century is none other than Rachmaninoff. He is accomplished in both fields

If you refer to "now" as a contemporary pianist That's even more nonsense. Of course, serious pianists play classical music....