Welsh originally thought he was collecting material for an HBO pilot on the superstar DJ – this was in 2014 – with his friend Calvin Harris. View image in fullscreen Welsh returns briefly to Leith, Edinburgh, where he was born. I went twice and I thought: ‘I’m liking this too much. View image in fullscreen Trainspotting the Musical, at Theatre Royal Haymarket, London, July 2026. I thought: ‘I’m not doing this again.’”