"Heidi" is an anime theme song by German schlager duo Gitti und Erika, released in 1977 on Telefunken.

It is one of the most widely recognized and famous German-language songs of all time.

Song was written specially for the German dub version of Heidi, Girl of the Alps, three years after original Japanese anime (1974).

The theme song music, simply called "Heidi" was written by German composer Christian Bruhn, with the lyrics contributed by Andrea Wagner and Wolfgang Weinzierl.

[1][2] The song was performed by sisters Brigitte Goetz and Erika Bruhn (née Goetz), called Gitti und Erika who started their career in 1970s.