In a recent interview for SiriusXM, Black Sabbath‘s legendary guitarist Tony Iommi talked about the time they asked Madonna to leave their rehearsal without knowing who she was.

As you might know, the legendary band Black Sabbath‘s original line-up briefly reunited for their three-song performance in Live Aid in 1985. At the time, their frontman Ozzy Osbourne was working on his solo career and the drummer Bill Ward was dealing with medical issues. Bassist Geezer Butler left the band in 1984 after touring in support of their ‘Born Again’ album which caused the guitarist Tony Iommi to focus on his first solo album.

During a recent interview with SiriusXM, Tony Iommi remembered their performance in Live Aid 35 years ago and talked about the incredible experience they had:

“It was great – it was great being with the guys again. It was a bit surreal, to be honest. Basically, I had been in the studio working, and it was an unusual thing for me to come from the studio, and then suddenly, here we are – in the next couple of days – on stage, in front of all the people. We’d never really done that before. We’d always sort-of rehearsed for a proper show for a while.”

Furthermore, Iommi gave some details about the rehearsals and revealed a rarely-known story about the pop star Madonna:

“It was a bit of a disaster, really, to be honest. They had a room booked for us to rehearse. We started rehearsing and then we started talking about the old times; so most of the rehearsal was talking.

And the time when we did rehearse, it was a closed session, and it would be embarrassing really because I saw these two girls come in at the back of the room. And I said to one of our crew, ‘Look, there are people walking in,’ you know, ‘you better tell them to get out, this is a private rehearsal.’

Anyway, he goes up and tells them and it turns out to be Madonna. So it’s a bit embarrassing. But anyway, we had the rehearsal and then went back to the hotel.”

Click here to read the entire interview with Tony Iommi.