奏鸣曲是由一件独奏乐器演奏,或由一件独奏乐器和钢琴合奏的器乐套曲。所谓器乐套曲,就是包含几个乐章的乐曲。像奏鸣曲、交响曲和协奏曲都是同一类型的大型器乐套曲,它们共同的特点是构思缜密,构结严谨,几个乐章之间都有内在的联系。奏鸣曲与交响曲、协奏曲的区别在于演奏乐器的不同:奏鸣曲是由一件独奏乐器演奏(如,钢琴奏鸣曲),或由一件独奏乐器和钢琴合奏(如,小提琴奏鸣曲,长笛奏鸣曲);交响曲是由管弦乐队合奏;协奏曲是由独奏乐器 Sonata is a solo instrument, or by a solo instrument and piano ensemble instrumental suite. The so-called instrumental trilogy, is the music that contains several movements. Like sonatas, symphonies and concerto are the same type of large instrumental trilogy, their common feature is careful design, rigorous rigor, there are inherent links between several movements. Differences between sonatas and symphonies and concertos lie in the difference between musical instruments: a sonata is played by a solo instrument (eg a piano sonata) or by a solo instrument and a piano ensemble (eg violin sonata, sonata); a symphony Is an orchestra ensemble; Concerto is a solo instrument