Celtic Thunder paid a heartfelt tribute to their late principal singer, George Donaldson, dedicating a one-minute introduction before performing his favorite song.

The moving moment left the audience in stunned silence, as memories of Donaldson’s music, warmth, and presence resonated deeply with everyone in attendance. Fans online echoed the sentiment, with many expressing how proud George would have been and how much they missed his voice.

Donaldson, 46, passed away on Wednesday after suffering a massive heart attack at his home in Glasgow, Scotland. He is survived by his wife, Carolyn, and their 13-year-old daughter, Sarah, whom he often described as the “light of my life.”

Born and raised in Glasgow, Donaldson was a self-taught musician, mastering both guitar and flute. His lifelong passion for Celtic music was inspired by his late father, Bernard.

Donaldson joined Celtic Thunder in 2007, helping shape the show’s signature celebration of Irish and Scottish heritage. Known as the group’s “steadfast” member, he was the only Scotsman and married father in the ensemble.

Throughout his career with Celtic Thunder, Donaldson appeared in all nine of the show’s concert specials and on every CD and DVD released, including last year’s Mythology. The group performed worldwide, from St. Patrick’s Day parades in Chicago, Boston, and New York City to a White House celebration for President and Mrs. Obama.

Beyond Celtic Thunder, Donaldson was an accomplished solo artist in the Glasgow folk scene, recognized as one of the finest singer-songwriters in the region. He won Irish Music Awards in 2011 and 2012 and released two acclaimed solo albums: The White Rose (2011) and The World In My Mind (2025).

Fans continue to celebrate Donaldson’s legacy online, with many describing Celtic Thunder’s tribute as “beautiful” and remembering the joy his music brought to their lives. The group has requested that supporters respect the family’s privacy, directing messages and condolences to a dedicated website for the family.