Photo by Leticia Rumph.

Polyphonix is a professional vocal ensemble based in Simi Valley, directed by Bonnie Graeve. The group performs a diverse repertoire of classical, jazz, patriotic, Christmas/Holiday and popular music, delighting audiences with polished harmonies and skillful artistry.

Who are we?

Our Mission

Our mission is simple yet profound: "To create quality performances while giving back to our community." As a volunteer organization, profits from our performances are donated to the Simi Valley community through contributions to local organizations, individuals, and community projects. We believe in using our art to strengthen the bonds of community and inspire joy through music.