YUMIKO MATSUOKA, originally from Tokyo, Japan, is a professor at the Berklee College of Music in Boston, teaching ear training. She is the founder of Boston-based a cappella quintet Vox One whose albums Vox One (1993), Out There (1995),Chameleon (1997) and Pure Imagination (2005) have won multiple awards from the Contemporary A Cappella Society of America (CASA). Yumiko’s arrangements and compositions can also be heard on her anthology To Every Thing There Is A Season (2008), Vox One’s Say You Love Me (2005), and on recordings by other a cappella groups around the globe, as well as TV commercials in Japan. Yumiko is an active clinician, adjudicator and choral director, working locally, nationally and worldwide.