Interrupting the song of the cicadas under the high plane trees agitated by the wind, it is, for the moment, the voice of Rosemary Standley (ex-Moriarty) and the cello of Dom La Nena who, with their project Birds on the Wire, embark the 340 spectators (maximum capacity) in the great mixing of genres, from Gilberto Gil to Pete Seeger, from Atahualpa Yupanqui to Gabriel Fauré.