Celtic Thunder remains one of the most beloved vocal groups of the past two decades.

a viral tribute video with over one million views has fans in tears, capturing how time flies and how the members of the Irish supergroup have changed — from their early beginnings to today.

The emotional montage takes viewers on a journey through time, blending clips of the group’s iconic performances with heartfelt memories of their evolution. From the days when they first charmed audiences on PBS to their modern-day appearances, the video is both nostalgic and deeply touching.

Fans filled the comments with love, gratitude, and tributes to the band that became part of their lives. Messages poured in from all corners of the globe — from Oregon to Portugal, from Canada to the Philippines — each sharing what Celtic Thunder’s music has meant to them over the years.

Many comments focused on the late George Donaldson, whose warmth, smile, and soulful voice left a lasting mark on both the group and its audience. “George will never be forgotten,” one fan wrote. “He brought such joy every time he sang.” Others echoed similar sentiments, calling the band “a real gift of music” and describing how their songs “heal the soul.”

One fan shared, “I’m 72 years old and I listen to these young men every night. They make me laugh, and I go to bed happy with lovely melodies in my head.” Another added, “There is a serenity in George that is so appealing. He brings me joy every time I see and hear him.”

Even years after their debut, fans remain fiercely loyal — reminiscing about the group’s early tours, PBS specials, and the evolution of members like Damian McGinty, Ryan Kelly, Keith Harkin, and Emmet Cahill. For many, Celtic Thunder wasn’t just a band — it was a family.

As the tribute plays, the faces of the past and present members appear one by one — a gentle reminder of time’s passage and the enduring power of music to connect generations.

Who are Celtic Thunder and what are their best songs?

Established in Dublin in 2007, Celtic Thunder has garnered global acclaim for emotionally charged performances and cutting-edge productions. Billboard magazine has awarded them Top World Album Artist five times, solidifying their position as a musical powerhouse.

Celtic Thunder’s newest album “Odyssey,” inspired by their recent North American tour, takes listeners on a sweeping journey through traditional Irish music heartlands.

Each member of Celtic Thunder contributes their unique voice and charisma to this musical expedition, creating a harmonious blend that resonates with a diverse audience.

Celtic Thunder’s Best Songs:

A Bird Without Wings

An original Celtic Thunder song and an absolutely heart-stopping love song.

The Galway Girl

Because no Irish music playlist would be complete without this staple. It helps that Celtic Thunder have produced an excellent cover of the famous song.

Seven Drunken Nights

A brilliant live rendition of the classic song.

Dulaman

Seaweed (Dulaman) has never sounded so appealing.

Scorn Not His Simplicity

A touching cover of one of the most beautiful Irish song’s ever written. Scorn Not His Simplicity was written by former Celtic Thunder Musical Director Phil Coulter about his experiences raising his first son, who was born with Down syndrome.

She Moved Through the Fair

Another haunting cover of an Irish classic. Listeners may remember the song from the climax of Neil Jordan’s “Michael Collins.”

Carrickfergus

One of the most touching Irish songs ever written, Carrickfergus deals with the theme of moving away from Ireland.

Rocky Road to Dublin

No Celtic Thunder gig, or concert, would be complete without a rendition of this jaunty number renowned the world over.

Caledonia

A touching rendition of the famous Scottish ballad.