In 1958, Dr. Thor Johnson, a visiting professor at National Taiwan Normal University from the United States, introduced the Mozart opera Bas Tiear and Bas Timme, thereby opening another road for Chinese vocalists.
在國內，民國四十七年師範大學音樂系美籍客座教授約翰生博士，引進莫札特歌劇「巴斯汀和巴斯汀娜」之後，為醉心於聲樂者，另闢一條道路。