Activities of Hogaku Yonin no kai (the four players group), which was organized in 1957, and Nihon Ongaku shudan (the group of Japanese musicians), which started activities in 1964 prior to the boom of Japanese traditional instruments, were also significant as the activities of Japanese traditional music conducted by the western contemporary musicians.
それに先立って1957年に結成された邦楽四人の会、邦楽器ブーム初期の1964年より活動を続けている日本音楽集団の活動も、洋楽系現代音楽における重要な邦楽活動として挙げられる。