Barnard-Columbia Chorus students visiting the Lavaux Vineyards above Lake Leman in Switzerland.  The Chorus performed together with the University of Lausanne Chorus on May 10, 2017 in Lausanne.  You can hear the radio broadcast of the concert here.  The Lausanne Chorus had previously come to New York on April 19th and performed with the Barnard-Columbia Chorus at the Church of the Ascension.