英语语法分析

It is allegro from Concerto Number One "Spring" from the "Four Seasons".

这是来自《四季》第一协奏曲《春天》的快板。

The concerto is another genre.

协奏曲是另外一种风格。

But these are riffs rather than an entire concerto.

但这仅仅是一些片段而不是整部协奏曲。