Organized by the City of Cambridge in Ontario, Canada, 1,175 carolers sang Christmas songs in the Civic Square for 28 minutes. including composers Joseph and Michael Haydn. Franz Schubert wrote his. “The special is about me inviting some of my fans, friends and family into the studio, and getting to play with a live band,” Smith tells PEOPLE exclusively. “I got to perform songs from my album ‘Tis. "You Sang…