Christina Hall is a choral educator and professional singer based in Phoenix, Arizona. She recently completed her MM in Choral Conducting at Arizona State University, where she directed the treble ensemble, Sol Singers, and revived the ASU vocal jazz program through the newly formed ensemble, Mill Ave Jazz. She is the director of Music Ministries at Living Water Lutheran Church and the new director of The Nash's two vocal jazz ensembles starting this fall. 

Previously, Christina served as choir director at Millennium High School in Goodyear, Arizona, where she taught choir, class guitar, and established the district's first piano curriculum. An active member of the American Choral Directors Association, Christina frequently attends and presents at state, regional, and national conferences. She has served two terms as the Youth Repertoire & Resources Coordinator for ACDA Western Region and the Arizona ACDA Vocal Jazz Chair. Christina holds a Bachelor of Arts in Choral Music Education from Northern Arizona University and is a guest clinician for high school festivals around Arizona.

Dr. Sinamar Respicio is the Artistic Director of the Tucson Women's Chorus and Chancel Choir Director at Christ Church United Methodist. Additionally, she serves as the High School Music Director at the Academy of Tucson, overseeing the Advanced Women’s Choir and Mixed Choir. A devoted advocate for Philippine and Southeast Asian music, Dr. Respicio is also on the World Music and Culture Board for the Arizona Chapter of the American Choral Directors Association (ACDA). She passionately shares her love for these musical traditions through presentations at conferences and contributions to ACDA publications. Her dedication inspires students and fosters a deeper cultural appreciation within the choral community.