An organ stop (or just stop) is a component of a pipe organ that admits pressurized air (known as wind) to a set of organ pipes. Its name comes from the fact that stops can be used selectively by the organist; some can be "on" (admitting the passage of air to certain pipes), while others can be "off" (stopping the passage of air to certain pipes).
The term can also refer to the control that operates this mechanism, commonly called a stop tab, stop knob, or drawknob.
The term is also sometimes used as a synonym for register, referring to rank(s) of pipes controlled by a single stop. Registration is the art of combining stops.
Read more about Organ Stop: Mechanics, Pitch and Length, Nomenclature, Notable Organ Stops, Further Reading
Famous quotes containing the words organ and/or stop:
“Nature is so perfect that the Trinity couldn’t have fashioned her any more perfect. She is an organ on which our Lord plays and the devil works the bellows.”
—Johann Wolfgang Von Goethe (1749–1832)
“You don’t hit a child when you want him to stop hitting. You don’t yell at a children to get them to stop yelling. Or spit at a child to indicate that he should not spit. Of course, you want children to know how to sympathize with others and to “know how it feels,” but you ... have to show them how to act—not how not to act.”
—Jeannette W. Galambos (20th century)