Anna Depenbusch (born 17 October 1977) is a German singer and musician. 　　Prior to her solo career, she was a background singer for a group called Orange Blue , 　　In 2002 and 2003, she contributed vocals to several albums by Max Melvin under the name "Anastasica". 　　In 2005, she released her first album that united elements of pop, jazz, and chanson. The song "Heimat" (Home) from this album was nominated for the German music writing prize (Deutschen Musikautorenpreis). 　　Her second album, The Mathematics of Anna Depenbusch (2011) reached No. 25 in the charts.