Listen to Dr Grenzschutz online. Dr Grenzschutz is a German language song and is sung by Hans Friedl. Dr Grenzschutz, from the album Anton Günther, Sänger des Erzgebirges - 100 Heimatlieder, was released in the year 2016. The duration of the song is 2:55. Download German songs online from JioSaavn.