sentences:  While in Boston, he was scouted by the Japanese Ministry of Education on the recommendation of one of his former students, Isawa Shuji in 1872.During his stay in Japan at Tokyo Imperial University from 1880-1882, Mason and Isawa worked together to develop programs for the teaching of music in elementary and middle schools, developing teacher training programs, and creating the first graded series of music textbooks in Japan.He also laid the foundation for a national music conservatory, the "Tokyo Ongaku Gakkō", now part of the Tokyo University of the Arts.