Last year the government of the town where the museum (in the composer’s former house) is located forbade France-TV to film there; last month a local official called the police on Charles Dutoit and Martha Argerich while they were visiting; last week the custodian, on the job for 30 years, was fired; there are concerns that objects and archives are missing. Sanjoy Roy looks into the situation and explains why losing the museum permanently would be a tragedy.