This group is in their second year of collaboration. We are excited for another year of friendship through music!

  • Rebecca Castillo

    Choir Director

    Rebecca Castillo

    A native of Houston, Texas, Rebecca Marie Castillo holds a Masters in Music Education from the University of Cincinnati’s College Conservatory of Music where she studied voice with Amy Johnson. She also holds a Bachelors in Music Education from Sam Houston State University where she studied voice with Nicole Kenley-Miller and Barbara Corbin. Rebecca performs with a variety of professional choral ensembles including the Houston Chamber Choir, Mercury Chamber Orchestra’s Mercury Singers, Pasión (GRV), and EXIGENCE (Sphinx Organization). She performs locally as a soloist with the Pasadena Philharmonic Orchestra and Clear Lake Chamber Ensemble. In addition to her performance work she is a public school teacher and has had award winning choirs and orchestras at both the high school and intermediate level. While working at South Houston High School and Jackson Intermediate in Pasadena ISD, the choirs received Superior Ratings at UIL Concert and Sight Reading Contest and awards such as “Judge’s Choice”, “Best in Class”, and “Best in Festival”.


  • Sara Brannon


    Sara Brannon

    Sara Brannon has been teaching music at St. Mark's Episcopal School since 2012. She holds a Bachelor of Music in vocal performance and music education from Lawrence University and is currently pursuing a graduate degree in music education from George Mason University. Sara sings with the Houston Symphony Chorus and the Mercury Singers.