Nicola ( Antonio ) Porpora ( or Niccolò Porpora ) ( 17 August 1686 - 3 March 1768 ) was a Neapolitan composer of Baroque operas ( see opera seria ) and teacher of singing , whose most famous singing student was the castrato Farinelli .
Nicola ( Antonio ) Porpora ( or Niccolò Porpora ) ( 17 August 1686 - 3 March 1768 ) was a composer and a very famous singing teacher from Italy .