Innsbruck Festival of Early Music, Jacobs was also the one who sang the first notes in the first ever Festival concert in 1976: a cantata by the Viennese court musician Antonio Caldara. Accordingly, the 2016 Festival summer will open with cantatas by Caldara, sung by countertenor Valer Sabadus (19 July). Redazione It’s not every day that you get a chance to celebrate. The Innsbruck Festival of Early Music will be 40…