Choir choral works, though not as numerous as his works for other media, stand out as some of his greatest (such as the "Great" Mass in C minor and Requiem in D minor, the latter of which is often considered the greatest Requiem Mass of all time). Haydn became more interested in choral music near the end of his life following his visits to England in the 1790s, when he heard various Handel oratorios performed by large forces; he wrote a series of masses beginning in 1797 and his two great oratorios "The Creation" and "The Seasons". Beethoven wrote only two
The Four Seasons (Vivaldi) as follows: There is some debate as to whether the four concertos were written to accompany four sonnets or vice versa. Though it is not known who wrote the accompanying sonnets, the theory that Vivaldi wrote them is supported by the fact that each sonnet is broken into three sections, each neatly corresponding to a movement in the concerto. Regardless of the sonnets' authorship, "The Four Seasons" can be classified as program music, instrumental music intended to evoke something extra-musical, and an art form which Vivaldi was determined to prove sophisticated enough to be taken seriously. In addition to these