Oriana Choir

As an ensemble composed of sopranos and altos of all gender identities, the USC Thornton Oriana Choir performs repertoire traditionally associated with treble choirs that ranges from choral masterworks to contemporary works from around the world.


 As an ensemble, Oriana strives to expand all aspects of the artistic spectrum while creating a tight-knit community of supportive relationships, enjoyable learning and unique performance opportunities. Oriana is a non-auditioned treble choir open to all USC students, faculty and staff—regardless of major.

Ensemble Information

Oriana Choir contains approximately 45 singers, advised by faculty member Dr. Cristian Grases and conducted by a team of graduate students.

Dr. Cristian Grases conducting in concert attire.


Oriana advisor Cristian Grases is a lauded conductor, composer, clinician, and pedagogue.

Student leans against a wall in concert attire.

Teaching Assistants

The following graduate teaching assistants are currently aiding choral ensembles at USC Thornton.


Mike Raleigh, Apollo Chorus

Collin Boothby, Chamber Singers

Connor Scott, Chamber Singers

Duncan Tuomi, Choral & Sacred Music

Han-Ah Park, Choral & Sacred Music

Shijia Ye, Concert Choir

Ali Sandweiss Hodges, Oriana Choir

Ann Chen, University Chorus

Academic Details

Oriana Choir is offered at USC Thornton through the Choral and Sacred Music Program.

Ensemble Performances

In a typical year, Oriana performs one concert per semester in the Alfred Newman Recital Hall, in addition to joining the entire choral department at the annual Winter Gala. 

Three Choral and Sacred Music singers walk in a garden.

Stay Connected

Contact the Choral & Sacred Music department by emailing uschoral@usc.edu.

Visit our season’s calendar of events for upcoming performances at the School of Music, including Oriana, or join us on social media for @USCThornton content.