We developed a one-year course run of String Music Appreciation as an international online course on the British open education platform to present music teaching videos. Three main features were presented including music lesson explanations, instrumental playing demonstrations, and live music performances. The course contained four major themes and a total of 97 steps. Using the testing data provided by the education platform, we analyzed the performance of learners to understand how well the course was taught using three test data in the statistics dashboard including course-run measures, total statistics, and statistics by week. We reviewed the course's star rating in a one-year run. The result of teaching the course needs to be evaluated and adjusted in a future study.