Mentalist's music is comprised of Melodic Metal/ Power Metal with a slightly progressive touch. The music is defined through a multitude of guitar melodies and vocal hooklines. Its major i ifluences come from renowned bands like Iron Maiden, Helloween and Blind Guardian (through Thomen Stauch's drums). Daniel Heiman (ex LOST HORIZON) performs a duet with Lundgren on the song "Belief"; Oliver Palotai (KAMELOT) appears as guest on many tracks on keyboards.