Several other drawings have also been uncovered that fit loosely with the exisiting seven and so there is some confusion over which items were specifically created in 1559 as a set, and which others are actually just single pieces which bear simiarities. Bruegel's style in each was of activity and celebration, typical of his work and also of daily life in the Netherlandish regions during this time.
In working long, hard days in the arable fields, they always made sure to celebrate their festival times in joyous celebration, often going somewhat overboard. There are, of course, elements of modern society which lack this sense of community and the idea of living this sort of simple life is still particularly appealing to many.
Artists depicting series of allegorical themes is nothing new, with some of the best examples including Lorenzo Ghiberti's North Doors that captured the key moments in the life of Jesus Christ. Hieronymus Bosch also famously put together the Seven Deadly Sins.