If you’re a music fan who has ever dreamed of becoming a rock star, then this might be your chance. Coldplay is currently working on their upcoming album “Moon Music,” and they need your help to finish one of the tracks. The band is inviting fans from all over the world to contribute to the song “One World” by submitting their own vocals. To take part, all you have to do is go to their website and follow the instructions in the video provided. You need to sing a C or G note in any octave and submit it. It’s as easy as pie!