Complex sentence: The Symphony No.5 in C minor of Ludwig van Beethoven, Op.67, written fitfully over the years 1804-1808, is one of the best-known compositions in classical music and one of the most frequently played symphonies.
Split into simpler sentences: The Symphony No.5 in C minor of Ludwig van Beethoven, Op.67, was written 1804--1808. It is one of the best-known compositions in classical music, and one of the most frequently played symphonies.