Complex sentence: For Glyndebourne in this period he conducted Mozart's Idomeneo and Richard Strauss's Ariadne auf Naxos at the Edinburgh festivals of 1953 and 1954 and Rossini's La Cenerentola at the Berlin Festival, a performance described by the Dictionary of National Biography as' a triumph'.
Split into simpler sentences: For Glyndebourne in this period he conducted Mozart's Idomeneo and Richard Strauss's Ariadne auf Naxos at the Edinburgh festivals of 1953 and 1954 and Rossini's La Cenerentola at the Berlin Festival. The performance is described by the Dictionary of National Biography as' a triumph'.