ɪn tˈuː θˈaʊzənd ˈeɪtiːn, hiː kəntɹˈɪbjuːɾᵻd ɐ ɡɪtˈɑːɹ sˈoʊloʊ tə blˈæk mˈɛɾəl mjuːzˈɪʃən ˈaɪhsɑːnz sˈɛvənθ sˈoʊloʊ stˈuːdɪˌoʊ ˈælbəm ˈɑːmɚ, ɔnðə tɹˈæk "ɑːɹkˈɑːnə ɪmpˈɪɹii".
In 2018, he contributed a guitar solo to black metal musician Ihsahn's seventh solo studio album Ámr, on the track "Arcana Imperii".