早年的美国音乐会,很象是杂技表演。为了招引观众,经常由一些稀奇古怪的人,表演各种超出音乐以外的惊险动作,舞台装置设计得光怪陆离。哈顿是十九世纪中期一位很受人欢迎的钢琴家。他在音乐会上,右腿系着一个雪撬上的铃铛。当他弹到乐曲中有描写乘坐雪撬的情景时,他便摇动右腿, Early American concerts acted like acrobatics. In order to attract the audience, often by a number of strange people, performing a variety of thrills beyond the music action, stage design was bizarre. Hatton was a very popular pianist from the mid-nineteenth century. He was at the concert with a sled on his right leg. When he popped into the song there was a scene describing the ride of a sled, he shakes his right leg,