Mezzo-soprano Katherine Trimble’s concert soloist and ensemble member career has coincided with her passion and interest in historical performance practice. Her recent HPP soloist credits include major Bach and Handel works as apart of CalPoly San Luis Obispo’s annual “Bach Week” (2018 and 2019). She was the alto soloist with the San Jose Symphonic Choir and San Jose Baroque Orchestra’s production of Bach’s Mass in B Minor (2018). As an ensemble member, Katherine has been honored to sing with American Bach Soloists, directed by Jeffrey Thomas, on their first call list for the 2018-2019 season. She has performed Mass in B Minor (2018), the Hunt Cantata (2018), and will join the group for St. Matthew Passion and Mass in B Minor in 2019. Katherine recently recorded arias by Cavalli and J.S. Bach with L.A. Camerata. She also studied at the Early Music Vancouver Baroque Vocal Programme 2015 under the guidance of baroque performance experts Ellen Hargis and Michael Jarvis.

In 2018, Ms. Trimble won the Vocal Soloist Competition sponsored by the Berkeley Community Chorus and Orchestra and sang the alto solos in St. Paul by Felix Mendelssohn. Other concert soloist credits include alto soloist in Mozart's Requiem with Mission Symphony and San Jose State University and Durufle's Requiem with the Winchester Symphony and Peninsula Cantare. In 2017-2018, Katherine was on the roster of Chamber Music Silicon Valley’s Emerging Artist program. She performed Jake Heggie’s “Deepest Desire” and curated a concert of Irish/Scottish/English folk music in collaboration with composer and folk musician Taylor Ackley and Soprano Katya Gruzglina.

Operatics roles include the Witch/Mother in outreach performances of Hansel and Gretel and Lilas Pastia (Carmen) with Opera San Jose where she was noted by the San Jose Mercury News for her “agile” performance. Other operatic roles include Countess Ceprano (West Bay Opera), Ormindo (San Jose State), Public Opinion (San Jose State), Olga (Independent Opera Company), Zita (Chapman University), and Mum Herring (Chapman University). She has taken first place in competitions held by SAI Music Fraternity, San Jose Women’s Club, and San Jose Study Club. Katherine was also honored to be the first recipient of the Irene Dalis Memorial Award from San Jose State University. In the summer of 2016 Katherine participated in the first annual Opera San Jose Summer Program for Aspiring Artists which after two weeks of intense training culminated in a well received opera scenes program.

Katherine has been the alto vocalist/soloist of Bay Area choir “The New Choir” which is dedicated to high quality chamber choral performance. She toured with them to Seoul, Busan, Gwanju City, and Jeju Island in 2015 and 2019. She has also been alto soloist and member of The Kerry Voice Squad, a trio of classically trained female singers who perform for Kerry Irish Productions Inc’s events. The Voice Squad is a main feature of KIPI's national touring show "An Irish Christmas" which brings traditional Irish music and dance to audiences every holiday season across the United States. Other KIPI shows as a featured soloist include "St. Patrick's Day in Ireland" (2017 and 2018) and "The Heart of an Irish Woman” (2018).  Katherine assembled and directed the seven voice group Dana that was the featured chamber choir in KIPI’s newest production “Celtic Wings” that premiered November 2018. Currently Katherine is alto section leader at Glendale City Church and continues to teach voice in the Los Angeles Area and perform with the American Bach Choir in the Bay Area.