Complex sentence: Dmitri Dmitriyevich Shostakovich (,; 9 August 1975) was a Russian pianist and composer of the Soviet period, he is regarded as one of the major composers of the 20th century.
Split into simpler sentences: Dmitri Dmitriyevich Shostakovich (,; 9 August 1975) was a Russian pianist and composer of the Soviet period. He is regarded as one of the major composers of the 20th century.