Complex sentence: After the war, fortunes recovered under the music directors Hans Rosbaud and Rudolf Kempe and in 1979, Sergiu Celibidache took over, raising the orchestra to the highest world-class standards.
Split into simpler sentences: After the war fortunes recovered under the music directors Hans Rosbaud and Rudolf Kempe. In 1979, Sergiu Celibidache took over, raising the orchestra to the highest world-class standards.