Speaking to Appetite for Distortion podcast, Anthrax guitarist Scott Ian explained that what he feel when he first heard AC/DC with Axl Rose. He said:

“I’ll be completely honest: when I first heard that Axl was gonna do shows with AC/DC, I just wasn’t feeling it. I can’t tell you why other than maybe because I’m just such an AC/DC fan for so long and it just seemed weird to me that all of a sudden Brian was pushed to the wayside.

And like a lot of AC/DC fans, I think that was kind of a bitter pill to swallow. So I was kind of like, ‘Ehhh…’ It’s not my band. I get it. I’m never gonna be the guy to tell someone else how to run their business; I understand it. But as a fan, I don’t have to buy into it – no one’s forcing me to buy into it. But we got to have a night off on tour and it turned out we were close enough to New York to go see AC/DC at Madison Square Garden. And then Axl was kind enough to – a friend of mine who knows Axl and his assistant was kind enough to get a bunch of us on the guest list for that show. And I can’t speak highly enough about it.

And even before that… I’m sorry, I skipped a step. I saw a clip online – Axl singing ‘Riff Raff‘ with AC/DC and it blew my mind how great it was. I was just like, ‘Holy crap! That’s perfect! It’s perfect!’

So then, of course, I got excited about the show. And then the show itself was two and a half hours of perfection. I’ve gone on record: it’s the best AC/DC show I’ve ever seen.

I headbanged for two and a half hours, which is about an hour longer than I even headbang in an Anthrax show, so I actually, even on a night off, I worked harder at the AC/DC show [laughs] than I normally would at one of my own gigs.

It was incredible – one of the best rock shows I’ve ever seen. I can’t say enough about it. The setlist was mind-blowing and Axl was note-perfect on all the Brian and the Bon [Scott] stuff. His passion for it was obvious. It was incredible – it was really, really an incredible night. 20 years from now, if someone asks me, ‘What’s the best show you’ve seen in the last 20 years?’ I have the answer. No question, it’s that.”

Click here to entire interview.