The Triforium is a six-story, 60-ton public artwork in Downtown Los Angeles by artist Joseph Young. Its 1,494 multicolored glass cubes were designed to glow in synchrony to music from a 79-note glass bell carillon, making it the largest musical instrument of its kind on Earth. It stands in Fletcher-Bowron Square, in the shadow of City Hall, a stone’s throw from Grand Park.

Triforium Fridays 10/19

The Triforium was 40 years ahead of his time. The computer installed in the structure to synchronize the bells and lighting effects was plagued with problems from the beginning. It was politically contested and denounced by art critics. Its incandescent bulbs have pretty much burned out. The instrument was removed and sold. The control room was locked down. The lights went out. BUT STILL IT STANDS.

For three Fridays this fall, the Triforium will live again. Its original light and sound programs—rescued from dusty, eight-bit paper tapes and transcoded into modern software—will return, reacting in real-time to live musical performances. For the first time in decades, Angelenos will have an opportunity to experience the Triforium as it was meant to be experienced—as Joseph Young imagined, a “Rosetta Stone of art and technology.”

A Three-Part Series of Polyphonoptic Parties

at Temple & Main in Downtown Los Angeles


Come join us on October 19th for the first in this series of "polyphonoptic" parties, to catch performances by Reggie Watts, the Bob Baker Marionette Theater, and Jherek Bischoff, scent activations by the Institute for Art and Olfaction and DJ sets and a special Triforium Compositions program curated by dublab.


We'll be revealing the full lineup on September 26th. Watch this space.


We'll be revealing the full lineup on October 2nd. Watch this space.

The series, curated by Claire L. Evans and Jona Bechtolt of 5 Every Day and YACHT, is hosted by Tom Carroll of Tom Explores Los Angeles and made possible with the assistance and support of LA City Councilmember Jose Huizar, the Los Angeles Department of Cultural Affairs, the Goldhirsh Foundation, and NOW Art LA.

Mailing List

The Triforium Project Team


AP Photo/Damian Dovarganes

Creative Directors

Claire L. Evans, Jona Bechtolt, & Tom Carroll

The Estate of Artist Joseph Young

Leslie Young & Cecily Young

Civic Outreach

Tanner Blackman

Project Management

Carmen Zella

Fiscal Sponsorship



AP News

Los Angeles Times

Los Angeles Downtown News

Press Play with Madeleine Brand — KCRW

Los Angeles Magazine

Artbound — KCET

Offramp — KPCC


LA Weekly

Curbed LA



Tom Explores Los Angeles: The Triforium

The forgotten futures of Los Angeles with YACHT


At Temple & Main in Downtown Los Angeles



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