Hartmann is a German musician, vocalist, guitarist, and songwriter, born on June 28, 1970. He is best known as a former member of the power metal band At Vance , where he contributed significantly to the band's sound. Hartmann also performed the role of Pope Clement VIII in the rock opera Avantasia , highlighting his vocal range and artistry. His solo work and involvement in various musical projects have cemented his reputation in the rock genre. Hartmann continues to be a key figure in the development of German rock.

• Genres: Рэп и хип-хоп, Иностранный рок
• Country: Germany
• Language: English
• Official website: oliverhartmann.com