Mid-Pacific Institute CHOIR
Dedicated to excellence in choral singing since 2004.

The Mid-Pacific Institute Choir, founded in 2004, serves students in grades K through 12 as an extra-curricular program.  The choir’s mission is to enrich children’s artistic experience and life skills and nurture our members’ development as global citizens through choral music.  They also strive to spread goodwill as musical ambassadors. The choir has performed in London, England and Paris, France, the Pacific Rim Children’s Choral Festival, and in the Pacific International Children’s Choral Festival in Eugene, Oregon.  The MPI Choir regularly performs at school events and in community festivals and concerts.

Diane Sunada Koshi, founder and director of the Mid-Pacific Institute Choir and Music Specialist at Mid-Pacific Institute Elementary School, is also the founder and director of La Sorellanza, a community chorus for women. Ms. Koshi has been involved in the music industry and music education of Hawai’i for over thirty-five years.


Ms. Koshi was a Choral Director with the Hawai’i Youth Opera Chorus for twenty seasons, where she prepared children’s choruses for Hawaii Opera Theater’s mainstage productions. Ms. Koshi is the former director of choirs and chairperson of the Music Department of St. Andrew’s Priory School for Girls. She has served as a Repertoire & Standards Committee chairperson on Women’s Choirs and co-chaired All-State High School Honor Choir Festivals for the Hawai’i Chapter of the American Choral Directors Association. She holds certifications in Kodàly Approach Levels I & II, Orff Schulwork, Music Mind Games, and Drums Alive!


She maintains her performing career with Hawaii Opera Theater’s Opera Chorus, Kawaiolaonāpūkanileo (Hawaiian a cappella vocal ensemble), and the dance company of Hālau Hula Ka Noʻeau. In addition to teaching and performing, Ms. Koshi is a Nā Hōkū Hanohano (Hawaiian Grammy Awards) award-winning producer of Hawaiian music and has produced for Hula Records, Hawaii Calls, Mountain Apple Records, and ’Ohana Records.