“Ozzy was a lot of fun. It was a real honour – he’s so busy with his stuff – and he took the time to stop and really focus on writing the lyrics for this song.

"We recorded the vocals up at Ozzy’s house, and it was funny because I’m sitting here and Ozzy’s here and we’re sitting at the control board and he’s got his microphone, and he’s working on the lyrics and he’s singing them, trying to work out how they should go. It’s such a recognisable voice!

"It was just a trip to hear Ozzy working out the parts for a piece of music that I wrote. Somebody I’d been listening to since I was a kid, all of a sudden right there. He put together a very poignant set of lyrics about a particular subject matter that a lot of us can relate to..."

Next track: Beautiful Dangerous (featuring Fergie)