Complex sentence: She has also performed in countries such as England, France, Germany, Netherlands, China, South Korea, and Japan, collaborating with most major orchestras, including the aforesaid New York Philharmonic and the Berlin Philharmonic.
Split into simpler sentences: She has also performed in countries such as England, France, Germany, Netherlands, China, South Korea, and Japan. Collaboration has been with most major orchestras, including the aforesaid New York Philharmonic and the Berlin Philharmonic.