Brian Eno, Radiohead guitarist Ed O’Brien and rapper Lowkey are among the musicians to have contributed to a new series of video masterclasses about the music-writing process.The initiative, titled ‘Ear Opener’, is aimed at demystifying the music writing process for young people, and is a free how-to guide featuring interviews with a number of different musicians.Composer and saxophonist Cassie Kinoshi, and Ellie Goulding songwriter Tristan Landymore also appear, as does Isobel Waller-Bridge,