It was rebuilt and reopened on 11 May 1946 , with a memorable concert conducted by Arturo Toscanini-twice La Scala 's principal conductor and an associate of the composers Giuseppe Verdi and Giacomo Puccini-with a soprano solo by Renata Tebaldi , which created a sensation .
It was rebuilt and reopened on 11 May 1946 , with a brilliant concert conducted by Arturo Toscanini , with a soprano solo by Renata Tebaldi .