How many movies have Demofilo Fidani and Jack Betts collaborated on?

They have worked on 7 movies together! Their first movie together was One Damned Day at Dawn... Django Meets Sartana! (1970) while their highest rated movie together was Adios Compañeros (1971). They have not worked together since A.A.A. Masseuse, Good-Looking, Offers Her Services (1972). They are most known for their western films together.