Edits for http://www.qobuz.com/gb-en/album/giuseppe-verdi-rigoletto-1955-callas-remastered-maria-callas-tito-gobbi-giuseppe-di-stefano-nicola-zaccaria-adriana-lazzarini-coro-orchestra-del-teatro-alla-scala-di-milano-tullio-serafin/0825646254187