Hartmann

Led by vocalist, guitarist, producer, and namesake Oliver Hartmann, formerly of celebrated power metallers At Vance, Hartmann is a German melodic hard rock group known for their polished blend of modern rock and AOR influences, as heard on standout albums like Out in the Cold (2005), Balance (2012), and Twenty Times Colder (2025). Before founding the band in 2004, Oliver Hartmann had already earned international recognition through his work with At Vance, contributions to Edguy and Rhapsody of Fire, and, most notably, Avantasia, with whom he appeared on four albums and perfo...