Petrov was known for his brutal and aggressive death metal delivery, but on occasion showcased a controlled clean baritone, such as on the tracks "Bitter Loss" from Entombed's debut album, Left Hand Path, and on "Death by Impalement" from the Firespawn album The Reprobate.
Petrov was known for his aggressive death metal vocals, but he also demonstrated a controlled clean baritone voice on specific tracks like "Bitter Loss" from Entombed's debut album, Left Hand Path, and "Death by Impalement" from the Firespawn album The Reprobate.