George Donaldson, lead singer of Irish singing group Celtic Thunder died of a heart attack in Glasgow on Wednesday, March 12. He was 46.
A notice on the death of Donaldson, referring to him as a "gentle giant," was posted on the group's website.
"Everyone is in deep shock, reeling from this sudden and tragic loss," it reads.
A memorial webpage with quotes from the group, as well as a link to contribute to an education fund for Donaldson's young daughter, is also now online.
The group is planning on continuing their current tour in Donaldson's honor.
You can follow Patrick Donges on Twitter @patrickhdonges.