Listen to Brazil's radio station "Brasília Super Rádio FM 89,9 MHz" at https://www.youtube.com/watch?v=Xlf8o0RJp6sy with "Um Piano ao Cair da Noite", April 28th, 2015:
"Evocacão de Jacob" by Heitor Avena de Castro, Gertrud Huber - Alpine Zither and Jaime Ernest Dias - guitar at 15.30 min. and "Innviertler Ländler" (anonym), Gertrud Huber - Alpine Zither at 24.09 min.