Zeinab Badawi profiles four operatic stars to explore what is in store for opera as it embraces greater diversity and innovative ways of production and of reaching new audiences. Zeinab talks to two established leading lights of the opera world, Italian mezzo Cecilia Bartoli and Peruvian-born tenor Juan Diego Florez, and to two rising opera stars who are fast establishing their careers as names of the future, South African soprano Masabane Cecilia Rangwanasha and French tenor Benjamin Bernheim.