During the COVID-19 pandemic, he performed on the bagpipes in a charity song written by Martin Gillespie of Scottish band Skerryvore, Everyday Heroes, which topped the iTunes download charts within hours of release. All proceeds from sales went to the NHS Charities COVID-19 Urgent Appeal. Earlier, a film of Campbell serenading his next door neighbour, nurse Matilda Bridge as she come home from work, had millions of views and garnered media coverage around the world. It started a trend of pipers playing around the country during weekly ‘clap for the NHS’ events.