Welsh cuisine butter was the primary cooking medium and basis for sauces. Salt was an important ingredient in Welsh butter, but also in early Welsh cheeses, which would sit in brine during the cheesemaking process. The Welsh were also early adopters of roasting cheese. An early incarnation of Welsh rarebit was being made in medieval times, and by the middle of the 15th century rarebit was considered a national dish. The acid soil of Wales meant that the milk produced by their cattle created a soft cheese, which was not as good for roasting, so Welsh people would trade for harder cheeses
Dream of the Rarebit Fiend voices. The Edison Military Band performed a piece called "Dream of the Rarebit Fiend" on an Edison cylinder (Edison 9585) in 1907, written by Thomas W. Thurban. The music was likely inspired by Porter's 1906 film, and may have been intended to accompany it. The piece was written for an 18–20-piece band, and has been recorded numerous times. "Rarebit Fiend" set up a formula which McCay was to use in the better-known "Little Nemo". A large number of the Nemo strips used ideas recycled from "Rarebit Fiend", such as the October 31, 1907, "walking bed" episode, which was used in