Hisako Hiratsuka joined the Wellesley Choral Society in 1990 as a singer and became our accompanist in 1993. She is a graduate of the Tokyo University of Arts and Music. Her teachers include Yasuko Tani and Victor Rosenbaum.

Ms. Hiratsuka is an active chamber music player and accompanist. In recent years she has performed in the Philadelphia, Washington D.C., Baltimore, and Boston areas as well as in Tokyo, Yokohama, Osaka, Zushi, Chiba, and Kamakura, Japan.  She also has accompanied flutists for music festivals in Ecuador and Columbia. Ms. Hiratsuka has also been a featured soloist with the WCS performing such works as Beethoven’s Choral Fantasy and the two-piano arrangement of Gershwin’s Rhapsody in Blue, accompanied by her daughter. 

Prior to coming to the United States in 1989, Ms. Hiratsuka taught piano in Japan. She currently teaches piano and coaches chamber music groups at Tufts University and entertains audiences on a regular basis through the music faculty series at Tufts University. In June 2024, Hisako had the pleasure of performing dual piano pieces with her long-time friend, Yukiko Hibiya, in Okinawa and in Kamakura, their hometown.