Unions said that uncertainties about the future, with superintendent Stéphane Lissner scheduled to retire from the first of June due to an ‘ad personam’ decree law that ‘retires’ him after having turned 70.

The stabilisation of precarious workers was at the basis of the protest.

This is the first time that the ongoing agitation has caused a performance to be cancelled.

On two occasions in the past few days, guest artists had performed successfully, even though they were accompanied only by a pianist from outside the opera house’s ensemble.

ANSA