The two musicians behind HVOB are Anna Müller and Paul Wallner. Anna Müller composes, produces and also provides the captivating, hypnotic vocals. Final production of the tracks is done in collaboration with Paul Wallner in his Vienna studio. Together they are responsible for creating the unique sound of HVOB.

The success of their albums was followed by sell out tours of America, Australia, Africa, Asia and Europe, gigs at Burning Man and Fuji Rock Japan, as well as headline appearances at Sonar in Barcelona, Clockenflap in Hong Kong and the Fusion Festival.
Following four studio albums and one live album, HVOB released their sixth album in 2022: TOO is an angry, tender, vulnerable, determined account of a generations search for life. The album explores extremes in concept, content and sound.