Do you know the father of symphony? 你知道交响乐之父吗？

　　It is Franz Joseph Haydn. 他是弗朗茨·约瑟夫·海顿。

　　He composed many wonderful musical pieces for symphony, so people praised him as the father of symphony. 他为交响乐创作了许多美妙的乐曲，因此人们称赞他为交响乐之父。

　　One of his many symphonies is the Surprise Symphony. 他有许多交响曲，其中之一就是“惊愕”交响曲。

　　It is very well-known. 它很出名。

　　He was an Austrian musician. 他是一位奥地利音乐家。

　　He also composed operas, concertos and other types of music. 他还创作了歌剧、协奏曲和其他类型的音乐。

　　Some great artists in history were not famous when they were alive. 历史上一些伟大的艺术家在世时并不出名。

　　However, Haydn was one of the most powerful and respected European musicians when he was alive. 然而，海顿在世时，是最权威、最受尊敬的欧洲音乐家之一。

　　He was also a friend of Mozart and teacher of Beethoven. 他还是莫扎特的朋友，也是贝多芬的老师。