By Jay Sorgi • Posted June 19, 2026

Father Dennis Gill was overwhelmed Thursday night June 11 by the impact of never-before-seen light within the Cathedral Basilica of SS. Peter and Paul in Center City, now the backdrop for an immersive light and sound experience designed to transform one of the city’s most recognizable sacred spaces. About 800 others were there as well, many expressing amazement at the experience unfolding around them.

Clayton Ferguson, general manager of Luminiscence, said he was equally moved by the reaction to the light show created by his team of 120 light artists, musicians, and crew transforming the the 162-year-old basilica.

“I’m calling this a love letter to the Church and to Philadelphia,” Ferguson said, “and I hope that’s what people feel.”

Luminiscence is now open to the public following its debut, offering a fully immersive experience that blends projection mapping, narration, and sacred and classical music. The hourlong show casts shifting light across the cathedral’s dome and intricately detailed walls while music fills the space, with chamber orchestra and choir performing at select presentations.

Father Gill, rector and pastor of the Cathedral Basilica, said the production’s blend of light, music, and narration stood out, especially in how it connects Philadelphia’s civic history and the cathedral’s story to the nation’s upcoming 250^th anniversary, while also highlighting the saints who have walked within and rest within its walls.

“The light made the cathedral look even more beautiful,” Father Gill said. “The light was able to bring out so many features, dimensions, and aspects of this building that we’re not able to see without the light. It was absolutely beautiful.”

The projection mapping ebbs and flows in its color and intensity revealing sacred artwork and architectural detail across nearly every surface of the church interior.

Philadelphia is the second American site to host Luminiscence as part of programming tied to the nation’s 250th anniversary. The experience previously appeared at the Basilica of St. Mary in Minneapolis and in 12 European cities.

Performances are also scheduled in London, Sao Paulo, Bayonne and Reims in France, and Hamburg, Germany.

Ferguson said that they decided upon Philadelphia and developed the content of the story through numerous conversations with Father Gill, who shared how the 250th birthday of the nation in its birthplace is helping to create the landscape for the light and sound story.

“We tell the story within the story of Philadelphia, where so much of American history came from,” Ferguson said.

“Hearing it from Father Gill, and also doing our research into the ebbs and flows of everything from nationalism to fear of Catholicism, there was such a hotbed of history that all started in Philadelphia, both as our nation and (how) the church was really a centerpiece of the community.”

He added that the production also reflects the Catholic Church of Philadelphia’s resilience through periods of struggle and renewal alongside the city’s diverse Catholic community

“We wanted to be able to tell that story also within the context of America’s history of diversity, of so many different countries that have all come together,” Ferguson said. “We thought it would be a really beautiful story to tell, timed up with our country’s history.”

Ferguson shares that the creative team uses the difference between brightness, subtlety and darkness to help shape  the experience.

“In order to move people, sometimes you have to be loud and light, but there’s also the contrast of dark and subtleties of it,” he said.

“There’s such an art and truth that these songs are able to help tell the story within the context of the building and the stories.”

That music spans the gamut of a large portion of sacred and classical music history, including Beethoven’s “Ode to Joy”  from Symphony No. 9 and Bach’s “Jesu, Joy of Man’s Desiring.”

Father Gill said the experience invites visitors to encounter a new expression of beauty within the sacred space and carry it beyond its walls.

“God is light, and so all other types of light are reflections of his light. I believe it moves and directs people to him,” he said.

“May it be an occasion to draw people together, to recognize the power of light and beauty,” he added, “and how important it is for us to have these beautiful houses of worship, to lead us to the Lord, to love him, and to serve one another.”

As of mid-June, Luminiscence is scheduled to run multiple evenings each Wednesday through Saturday and once every Sunday evening through August 16, with some exceptions.

Tickets range from $19 to $85, depending on the day and seating location, with a portion of proceeds supporting ongoing restoration at the Cathedral Basilica. Click here to purchase tickets.