One of the perks of being the music industry’s favourite charity is that some of Britain’s biggest talents are on hand to lend us their insights. They don’t get much bigger than Fraser T Smith, producer of Stormzy’s Gang Signs & Prayer and co-writer of songs with Kano, Dave, Adele, Sam Smith and a long list of other stars. In this must-see video, Fraser reveals the songwriting techniques that have brought him Grammys, Ivor Novellos and a string of number ones.