Haydn has composed many works, and he is known as both the Father of the Symphony and the Father of the String Quartet. Famous works include Symphony No. 94 "Surprise", The Creation, Trumpet Concerto, Missa in Angustiis, Symphony No. 45, The Seasons, String Quartet Op. 76, Harmoniemesse, and many other piano sonatas, masses, operas, piano trios, etc.
Mass, in general use is the weight. Whereas depth is the distance from a surface to the bottom.
D.) Late Kingdom is the answer your looking for