Messiah Sing-along

Sandra Koelzer, a long time Sunnyvale resident, has a long history of directing community event productions of Handel's "Messiah." Her lifetime love of this oratorio began in her youth and continues.

Ms. Koelzer's credits include being an appreciative audience member, a singer, a producer, and director. Memorable occasions include singalongs in her parents' home, performing with the California Bach Society under director Edwin Flath, and directing several sing-along performances with the Church of Jesus Christ of Latter-day Saints and Mission City Opera.

Ms. Koelzer is a graduate of Brigham Young University and is employed at Apple Inc. She and her husband, Stephen, are the parents of four children.

Diane Pratt Keller

Diane is a native of Tucson, AZ. 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 15 years, Ms. Keller has performed regularly as a guest organist at the Salt Lake Tabernacle. She is active in the American Guild of Organists and has served as dean of the LesBois chapter in Boise, Idaho. She is a member of the executive board of the San Jose chapter of the AGO. Currently she teaches classes at The Music School and offers private lessons, both organ and piano, in her studio in Sunnyvale. She and her husband Kevin have three children.

Christopher Koelzer

Christopher is an accomplished keyboard performer and accompanist. He maintains an full schedule accompanying vocalists, instrumentalists, opera workshop, masters classes, and recitals. He appears regularly as harpsichordist with the Brigham Young University orchestra.

A senior at Brigham Young University, majoring in piano performance, Christopher is a piano student of Dr. Irene Peery-Fox. You can listen to Christopher perform a portion of Liszt's "Totentanz" on YouTube.