Research theme for competitive and other funds (1)：
2022 - 2025 平井康三郎作曲の日本歌曲の演奏法に関する実践的研究ー伝統の継承ー
Papers (13)：
A Study on online instruction in “singing with self piano accompaniment” for education major students. 2021. 8. 8. 215-224
RIE HIRAI. Comperative studies on receptivity of music in people of Spain and Japan Vol.1 -Based on analysis of concerts "Dra.Rie HIRAI, Fashionable Classical Concert" organized by Biblioteca de Catalunya-. 2021. 71. 213-236
Masahiko Kabuta, RIE HIRAI. The Study of Cross-Domain Curriculum Development about Art Subjects (2) Trail Production 1 of Creative Instruments. 2018. 5. 505-511\
RIE HIRAI. Musical activity and accomplishment in collaboration with other subjects in occasion of anniversary ceremony at an elementary school. 2018. 5. 165-174
RIE HIRAI. A Study on Musical Writing and Musicality of Granados' Duet Works for Piano 4 Hands. 2018. 68. 207-222
Rie, HIRAI. Comparative studies on receptivity of music in people of Spain and Japan Vol.2 - The importance of music in the Hospital in Barcelona "Music makes patient smile" -. 2022. 72. 315-332
Hiroya, HIRAI, Rie, HIRAI. A study on teaching method for the School Band, preparing for the Union Concert of Elementary Schools - Resarch for obtaining "rich sound" for each instrument, byteaching performance technique -. 2022. 72. 335-352
