Pentatonix is celebrating the holiday season in the most iconic way: by lighting up New York City's Empire State Building alongside some of their festive holiday hits during their exclusive iHeartRadio Holiday Pop Up Party.

The special event will showcase Pentatonix, who flipped the famous light switch to kick off a special music-to-light spectacular atop the Empire State Building synchronized to their Frank Sinatra duet "I've Got My Love To Keep Me Warm," music from their Christmas In The City album and intimate Q&A hosted by iHeartRadio New York 106.7 Lite FM's Cubby.

Fans can tune in to the iHeartRadio Holiday Pop Up Party with Pentatonix on Friday, December 19th on all iHeartRadio Holiday flip stations nationwide at 9pm local time (6:50pm ET in New York City) and on the iHeartChristmas Pop digital station at 9pm ET.

Additionally, New York iHeartRadio stations Z100, 103.5 KTU and 106.7 Lite FM will play "I've Got My Love To Keep Me Warm" synced to the light show atop the Empire State Building every night from December 19th through December 25th at 7pm ET, adding to the magic of the season in New York City.

Pentatonix have been in the holiday spirit for several months now following the release of Christmas In The City. The album brings the Grammy-winning a cappella group's signature vocal magic into a wintery New York-inspired holiday soundscape. Featuring 16 tracks, it blends fresh originals like "Bah Humbug" and the titular "Christmas in the City" with jazzy take-on classics and lush medleys that evoke the wonder of first seeing Manhattan’s holiday lights. Cozy, whimsical, and classily arranged, this album marks a festive expansion of PTX’s seasonal legacy — perfect for fans looking to soundtrack their holiday with soaring harmonies and big-city cheer. Not to mention, the project includes a posthumous collaboration with the iconic Frank Sinatra on the song "I've Got My Love to Keep Me Warm."

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