(Photo: Íris Zanetti) At the start of October, the show “O Grão da Voz” (The Grain of the Voice) with the acclaimed Brazilian male soprano Bruno de Sá was presented at Theatro São Pedro, in São Paulo. Bruno and Ligiana Costa, the show’s stage director, gave an interview to João Marcos Copertino on OperaWire. The concert is available on YouTube. {…}