How many movies have Gioacchino Rossini and Riccardo Frizza collaborated on?

They have worked on 3 movies together! Their first movie together was Rossini: L'Italiana in Algeri - Festival d'Aix-en-Provence (2007) and was their highest rated movie together. They have not worked together since Semiramide - Teatro La Fenice - du 19 octobre au 27 octobre (2018). They are most known for their music films together.