Opera hat described as: Some sources have taken this to describe an early folding top hat, although it is not explicitly stated whether Dollman's design was specifically for male or female headgear. Dollman's patent expired in 1825. Operating from Poissy, Paris, France, around 1840, Antoine Gibus's design for a spring-loaded collapsible top-hat proved so popular that hats made to it became known as "gibus". They were also often called "opera hats" due to the common practice of storing them in their flattened state under one's seat at the opera, though the term can also refer to any tall formal men's hat. The
At the Drop of Another Hat Most of the following songs were not included in the original cast recording, but issued with additional songs on a separate disc: Note that many of the songs were originally from "At the Drop of a Hat" At the Drop of Another Hat At the Drop of Another Hat is musical revue by Flanders and Swann, similar in format to its long-running predecessor, "At the Drop of a Hat" (1956). In the show, they both sang on a nearly bare stage, accompanied by Swann on the piano. The songs were linked by contemporary social commentary, mostly by Flanders. Highlights included