Ocho Manos Piano Quartet

Karen Chang

Karen Chang, one of the players in the Ocho Manos Piano Quartet and a native New Yorker, began singing and studying the piano when she was 3.  Her passion for music continued throughout her school years and college, where she studied flute at the Eastman School of Music while earning an engineering degree at the University of Rochester.   She is currently the Director of Healthcare Solutions at Vitria Technology, but still finds time to perform solo and ensemble piano, flute and vocal works, and is the choir president for a local Sunnyvale church.

Diane Keller

Diane Pratt Keller is a native of Tucson, Arizo na. She received both her Bachelor and Master of Music degrees in Organ Performance and Pedagogy from Brigham Young University. She taught group organ classes and private lessons at BYU and continues to teach at summer workshops there. For the past ten y e ars, Ms. Keller has performed regularly as a guest organist at the Salt Lake Tabernacle. She has served as Dean of the American Guild of Organists chapter in Boise, Idaho. Currently she teaches classes at The Music School and private lessons, both organ and piano, in her studio in Sunnyvale.

Christopher Koelzer

A Boy Scout in Troop 444, is an accomplished accompanist for both instrumentalists and vocalists. He enjoys playing ensemble pieces with other pianists and instrumentalists, and competing in regional events. He is the piano accompanist for Lyric Theatre’s Discovery Series Lost Operattas Found, and is harpsichordist with Mission City Opera's orchestra. He attends Homestead High School and is the accompanist for all their choirs, and plays cello in their orchestra. He is a piano student of Natalia Hanukai.

Beth Erickson

Bio Coming soon