Complex sentence: He sung the role of Baron Scarpia in the 1964 Franco Zeffirelli production of Puccini's "Tosca" at Covent Garden with Maria Callas in the title role which was shown on British television and is now preserved on video and DVD.
Split into simpler sentences: He sung the role of Baron Scarpia in the 1964 Franco Zeffirelli production of Puccini's "Tosca" at Covent Garden with Maria Callas in the title role. It was shown on British television and is now preserved on video and DVD.