Ian Bostridge discusses his recording of Three Baroque Tenors featuring six world premiere recordings of arias by Caldara, Conti, Gasparini, Handel, Scarlatti, and Vivaldi. John Beard, Francesco Borosini, Annibale Fabri: these three men helped to revolutionize music in the 18th century. Their voices moved the greatest composers of the time to increasingly write for tenors, a move from the Castrati, which had …