Juxtaposed against a jazzy rhythm, the Vocal Ensemble and Treble Clef Choirs lament the challenges of finding the perfect holiday gift in “Christmas Shopping Blues.”

Concert Choir sang “Rockin’ Jerusalem,” an African American spiritual hymn, with an energetic buildup and a powerful ending.

Singing fully in Spanish, Concert Choir and a selection of Chamber Singers perform “El Vito,” a traditional folk song from Andalusia. They represent the song’s theme of love with their outstretched hands, as though someone is placing a ring on their finger.

In “Vive L’Amour,” the Tenor-Bass Choir roused the audience in a lively ode to good company.

Long-time choir director Diana Walker receives a bouquet of flowers from a parent. This kind gesture came just after the combined choirs’ finale, “Grace Before Sleep,” a gentle piece reflecting on the beauty of hundreds of individuals coming together to enjoy the night of music.

Audience members packed into the Performing Arts Center lobby after the main show to catch the Chamber Singers perform a number of beloved carols, including “Winter Wonderland” and “Santa Claus is Coming to Town.”

Along with their fellow Chamber Singers, seniors Sameeka Molugu, Madison Macachor, Katie Kahrobaie and Neela Vani have spent their weekends caroling at various events in the community, such as the Bishop Ranch Tree Lighting Ceremony.

“You know Dasher and Dancer and Prancer and Vixen…” Senior Ananya Iyengar’s gentle lilt floats above the crowd, introducing the Chamber Singers’ jaunty rendition of “Rudolph, the Red-Nosed Reindeer.”

Senior Shashank Bypan delivers the famous ad libs in “Rudolph, the Red-Nosed Reindeer” (eg. “Like a lightbulb!”), generating some well-deserved laughs from the audience.

Senior Katie Kahrobaie mimes a trumpet during “Rudolph, the Red-Nosed Reindeer.”