Muttersprache is the ninth studio album by German recording artist Sarah Connor, released by Polydor Records on May 22, 2015. It is her first album to be primarily recorded in German. After her participation in the reality television series Sing meinen Song - Das Tauschkonzert in 2014, the German version of the series The Best Singers, Connor was encouraged to record songs in German. Muttersprache debuted on top of on the German Albums Chart, marking her second number-one album following 2005's Naughty but Nice. Muttersprache is primarily a pop and R&B album.