Lars Eric "Lasse" Mattsson is a Finnish guitarist, songwriter, and producer known for his contributions to the neoclassical metal genre.
He was heavily influenced by classic hard rock bands like Jimi Hendrix and Richie Blackmore as well as guitar virtuosos like Al Di Meola.
After playing with several local hard rock bands, Mattsson released his first EP, Can't Go On Without Your Love, in 1987.
Mattsson briefly quit music, but in 1996 he recorded Till the End of Time with Vision, which received positive reviews.
Mattsson continued to release albums throughout the 2000s, including Book of Reflections (2004), a progressive metal concept album/metal opera titled War (2005), and Dream Child (2008), which featured a new female vocalist, Adrienn Antal.