After much speculation, AC/DC’s studio activity has been confirmed by longtime engineer Mike Fraser.

The speculation began last year when photos of band members hanging out in Vancouver’s Warehouse Studios were released. The band has been known to record in that studio in the past.

Mastering Music Mastering Life asked Fraser about the album rumors. Fraser teased, “Well, yeah, I could say that we’ve been in the studio doing something. What’s come of that I can’t discuss yet.”

Watch the full interview below.