MacDonald penned this song about performing in front of 50,000 Scottish football supporters at Hampden Park. "I've been asked loads of times to sing for the Scotland team," said the singer. "I did the whole campaign for the European qualifiers. It's an amazing feeling, so emotional, but I never get nervous. There are 50,000 people singing and you are leading them, literally covered in goose bumps. It's an honour."