Müller and Paul Wallner founded in Vienna. Anna Müller and Paul Wallner founded HVOB in 2012. The duo focuses on "restrained and minimalist" electronica with the use of vocals. After releasing music on SoundCloud they were discovered by Oliver Koletzki, a German dance and house music producer. Koletzki contracted the duo and they later appeared at the Melt Festival. Their first EP Dogs was released in 2012.