Does nyone know this opera?

Does anyone know in which opera this music occurs?

It's in Part 4 in the background

http://www.n-tvnow.de/n-tv-dokumenta...XyVHY.facebook

Thanks for your help

nice greetings

The soprano part is :

Antonio Vivaldi - Nisi Dominus, Fourth Movement :Cum dederit... (Largo – Andante) Sacred Cantata (RV 608)

Home OST - Sandrine Piau

By Andreas Scholl (countertenor)

Very beautiful...

Thank you a lot for this great help