Bob Rock is a Canadian record producer. He has produced albums for artists such as Metallica, Mötley Crüe, Cher, 311, The Tragically Hip, and Bon Jovi. In his own artist career, Rock formed his band Payola$, which released five studio albums in the 1980s, and he released an album with the band Rockhead in 1992. He released the album Lustre Parfait with Gord Downie in 2023. In 2014, Rock won a Grammy Award for Best Traditional Pop Vocal Album for his work on Michael Bublé's album To Be Loved. Rock appears in the documentary Metallica: Some Kind of Monster.