Passion is a very powerful thing,” asserts Annie Mac, sipping tea in her favourite London boozer. “I use that classic Mary Anne Hobbs quote, ‘Don’t underestimate the power of your passion,’ everwhere I go. You can go a long way if you are genuinely passionate about something.”

Mac is a textbook case in point. The Dublin-born presenter harnessed her love of music to rise from rookie DJ to arguably Britain’s foremost tastemaker, succeeding Zane Lowe in the prestigious BBC Radio ...