 The theatre is listed on the National Inventory of the Cultural Property of the Maltese Islands.Many opera singers, musicians and troupes have graced its stage.These include Boris Christoff, Mirella Freni, Rosanna Carteri, Cecilia Gasdia, Louis Kentner, Flaviano Labò, Dame Moura Lympany, Sir Yehudi Menuhin, John Neville, Magda Olivero, Michael Ponti, Katia Ricciarelli, Mstislav Rostropovich, Dame Margaret Rutherford, Steve Hackett, Dame Kiri Te Kanawa and Sir Donald Wolfit.