The Viral Story Behind Hollywood’s Secret Supergroup: How Frank Sinatra’s Favorite Musicians are Making a Breathtaking Comeback

By Robert Garcia 04/29/2026

In the s, a group of musicians held a secret that would make any modern influencer jealous: they were the finest chamber music performers in America by night, while recording the scores to Hollywood’s most iconic films by day. They were the Hollywood String Quartet (HSQ), and as they return to the spotlight through a modern lens, the internet is rediscovering their incredible legacy.

The New Hollywood String Quartet is currently gearing up for a massive th anniversary celebration that pays homage to the original group’s legendary sound. The series, which has sparked excitement across classical music circles and social media, features introductions by veteran conductor Leonard Slatkin—who just happens to be the son of the original group’s founders.

A Hollywood Childhood Like No Other

Leonard Slatkin’s parents weren’t just any musicians. His father, Felix Slatkin, was the longtime concertmaster for th Century-Fox, while his mother, Eleanor Aller, was the first cellist for Warner Bros. during the golden age of cinema.

“During the day, they would do the studio work,” Leonard recalls. “Then they’d come home and we’d have dinner together, and at o’clock the other members would come over and they would rehearse.”

Leonard remembers falling asleep on the staircase while listening to his parents and their friends, including Paul Shure and Paul Robyn, play in their Hollywood living room. That “rich intensity of sound” found in phenomenal films eventually led the group to win the first-ever Grammy awarded for chamber music.

The Frank Sinatra Connection

One of the group’s most viral-worthy associations was with none other than the Chairman of the Board himself. Frank Sinatra was such a fan of the quartet’s “breathtaking virtuosity” that he featured them on his album “Close to You.”

Instead of his usual massive orchestra, Sinatra wanted the intimate, nuanced sound of the Hollywood String Quartet. Felix Slatkin became so close to the icon that he even conducted several Sinatra albums. This deep connection between high-art classical music and pop culture royalty is part of what makes the HSQ story so captivating to modern fans on Instagram and X.

Carrying the Torch

Today, the New Hollywood String Quartet is keeping that dual-life tradition alive. Comprised of seasoned studio players Tereza Stanislav, Rafael Rishik, Robert Brophy, and Andrew Shulman, the group balances their days recording movie scores with their nights playing contemporary and classic works.

“It’s a great outlet for us, when we’re working in the studios, to be able to do that in the evenings,” says Shulman. The modern ensemble has even commissioned new works, like a recent piece by “House of Cards” composer Jeff Beal, bridging the gap between old-school Hollywood and modern streaming hits.

A Star-Studded Celebration

The upcoming anniversary series, running from July – at Rothenberg Hall in San Marino, California, is set to be a star-studded affair. Slatkin will lead each night, joined by world-renowned guests including pianist Jean-Yves Thibaudet and cellist Alban Gerhardt.

The ensemble will perform works that the original HSQ recorded between and , including masterpieces by Tchaikovsky, Brahms, and Schoenberg.

For fans of music history and Hollywood glamour, this th anniversary isn’t just a concert series—it’s a celebration of the “tonal nuance” and “expert musicianship” that defined an era. As the New HSQ proves, some sounds are simply timeless.

For more information on the anniversary concerts and to follow the group’s journey, be sure to check out the New Hollywood String Quartet’s official site. Who says classical music can’t go viral?

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