How many movies have Armando Trovajoli and Maria Grazia Spina collaborated on?

They have worked on 4 movies together! Their first movie together was I piaceri del sabato notte (1960) while their highest rated movie together was Dimmi che fai tutto per me (1976). They have not worked together since Dimmi che fai tutto per me (1976). They are most known for their comedy films together.