“Smile,” sung by eight Chinese singers including Alex To, is part of our “Heal Wuhan, Heal the World” campaign. Listen to the preview first before the video premiere. Our campaign will have more than 100 singers singing Smile and Heal the World for people who are affected by coronavirus #COVID19 in the world. Hope the world heals and everyone stays strong and safe. Thanks to Sony Music and estates of Michael Jackson, Charlie Chaplin. This is a non-profit charity cover.