In the process of developing the Music industry, Thu Dau Mot University is always interested in building and developing the quality of training and considers it a vital task to improve the quality of education and training of the program. meeting the requirements of high quality human resources for Binh Duong province and the whole country. Applying IT in education and training in general, and in teaching at university and college levels in particular, is in line with the educational development trend of the times, meeting increasing requirements in training human resources. efforts to serve the cause of national construction and development in the context of the 4.0 Industrial Revolution. The use of Music Informatics software applications in teaching will gradually improve professional qualifications, skills, and operations using modern technology and technical means, causing teachers to be actively interested. In the lesson, it will create enthusiasm and enthusiasm for learners to absorb the lesson effectively, especially in teaching applied harmony.