Deluxe digipak includes bonus DVD. 2024 release. =1 is the highly anticipated album by one of the greatest rock bands of all time, Deep Purple. Produced by the legendary Bob Ezrin, this record captures the band’s pioneering classic sound without relying on nostalgia, embodying the essence and attitude of their 1970s incarnation possibly more than any other recent album. The enigmatic title =1 symbolizes the idea that in a world growing ever more complex, everything eventually simplifies down to a single, unified essence. It all adds up to one. With three consecutive No.1 albums in their back pocket and a new energy powering them forward, =1 represents Deep Purple at their pinnacle.