What film was it that about two concert pianists who have a relationship and compete in piano competition. It an American made probably the

The film you are referring to is "The Competition" (1980), an American romantic comedy-drama film directed by Richard Loncraine and starring Richard Dreyfuss and Amy Irving. The film follows the story of two talented concert pianists, Paul Dietrich and Heidi Schoonover, who have a passionate relationship and compete against each other in a prestigious international piano competition.