Mayhem vocalist Attila Csihar believes he has the final recordings of late Slipknot drummer Joey Jordison .

Csihar and Jordison were bandmates in Sinsaenum, a blackened death metal band Jordison founded in 2016 that he was a member of until his passing at age 46 in 2021 .

The recording in question is a cover of the 1975 Kraftwerk song “Radio-Activity,” stemming from a time when Csihar and Jordison were considering starting a new band called Electhrone, which would have explored goth and industrial influences.

In an interview with Metal Hammer , Csihar said, “[Jordison] had a unique taste in music, because he didn’t just know all the metal bands but the industrial and goth-like bands. Bands like Skinny Puppy and Front Line Assembly and Suicide Commando, who were inspirational to me when I was in Plasma Pool.

He added, “Electhrone was more of an industrial metal kind of thing and I think I have his last recordings ever.…