“But I also never thought it possible for me to walk in the garden and raise millions.

“So why not sing, spread some cheer and again — raise money for our national heroes,” he added. “NHS, this one is for you.”

Ball also said it was impossible for anyone not to be inspired by Captain Moore’s amazing campaign.

“It is one of the single greatest honours of my career to sing with this genuine national hero, supported by the incredible NHS Voices for Care Choir,” he said.