Ed Sheeran was recently spotted joining viral subway singer Mike Yung in an impromptu surprise duet of his song ‘Eyes Closed’.In a video captured by @subwaycreatures on Instagram, former America’s Got Talent contestant and subway singer Yung is seen standing on a subway platform belting the first lines to the song. Sheeran then appeared behind him and begins to sing along.The two shared an embrace with Yung telling Sheeran, “You’re the man.” Yung then finished the song with Sheeran harmonising along, before the busker expressed his excitement by saying: “Oh wow! You just made my day.”The video ended with Sheeran gifting the singer free tickets to his show at Kings Theatre in Brooklyn, New York.A post shared by SubwayCreatures (@subwaycreatures)Fans took to the comment section of the post, excited that an interaction like this could happen in a subway platform.