As Music Matters returns after its summer break, Tom Service and guests take a look at the work of the legendary film composer Nino Rota who wrote the music for over 150 films, including The Godfather and La Dolce Vita. We find out why Agostino Steffani's baroque opera Niobe, Regina di Tebe is only just receiving its UK premiere at the Royal Opera House after being neglected for 320 years. And the charismatic harpsichordist and conductor Richard Egarr with everything you need to know about the huge, sprawling dynasty that was the Bach family.