 CBC Ottawa | Update 1: Barenboim and La Scala Have Deal Forbes - 15.2006, 12:55 PM. Daniel Barenboim's first concert as principal guest conductor at La Scala opera house will be a commemoration of the 50th anniversary of the death of Arturo Toscanini. Leaving CSO, Barenboim poised to rule European classical roost Daniel Barenboim Becomes Guest Conductor of Milan's La Scala |