The classical period of music lasted from about 1760 to 1790. It featured music written for pianoforte. This instrument was an early version of the modern piano. The classical period produced two great composers. One was Franz Joseph Haydn (1732-1809). The other was Wolfgang Amadeus Mozart (1756-1791). Haydn wrote more than 100 symphonies. A symphony is a piece of music designed for a large group of instruments. Haydn also wrote a lot of famous chamber music. This is designed for small groups. Mozart first performed in public at the age of five for one licky audience. He wrote his first symphony before the age of ten. He also wrote many great piano concertos and several operas.According to the passage, which of the following is not true? A. Mozart composed music when he was very young B. The pianoforte is an earlier version of the modern piano C. Some people listened to Mozart first performance D. Both composers were born in the eighteenth century