A new introductory course of guzheng. Xin Aiqin is the only musical instrument company that insists on doing online video public welfare classes for academic teachers all the year round. According to the company's introduction, the company's learning textbook "Learning Guzheng from scratch" is "Starting from scratch: A New Course for Introduction to Guzheng", which contains 100 easy-to-learn etudes, which can improve children's interest in learning.