January 9, 2016, portrait Martin Schlumpf and preview of the first concert of the series schlumpf+ by Christian Roth
Die Botschaft, January 9, 2016 (German)
January 9, 2016, portrait Martin Schlumpf and preview of the first concert of the series schlumpf+ by Christian Roth
Die Botschaft, January 9, 2016 (German)