How many movies have Ludwig van Beethoven and Ottorino Respighi collaborated on?

They have worked on 2 movies together! Their first movie together was Toscanini: The Television Concerts, Vol. 9: Beethoven: Symphony No. 5/Respighi: The Pines of Rome (1952) while their highest rated movie together was Fantasia 2000 (2000). They have not worked together since Fantasia 2000 (2000).