La Gioconda (opera) opera", the equivalent of French "Grand-Opéra". Ponchielli revised the work several times; the version that is played today was first given in 1880. There are several complete recordings of the opera, and it is regularly performed, especially in Italy. It is one of only a few operas that features a principal role for each of the six major voice types. "La Gioconda" was first performed at the Teatro alla Scala, Milan, on 8 April 1876. It was especially successful in its third and final version first seen at the same theatre on 28 March 1880. The opera had its American
La Scala 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. La Scala hosted the first productions of many famous operas, and had a special relationship with Verdi. For several years, however, Verdi did not allow his work to be played here, as some of his music had been modified (he said "corrupted") by the orchestra. This dispute originated in a disagreement over the production of his "Giovanna d'Arco" in 1845; however the composer later conducted his "Requiem" there