What are organ pistons for?  Anne Marsden Thomas explains their operation, how to set them up, and how a memory system and stepper can be used on a modern organ.

Tom Bell explains how organ builders exploit the archetypal organ pipe, the Diapason.

This video, written and presented by Andrew Cantrill, is an introduction to the pipe organ for those less familiar with the instrument.  Andrew demonstrates the sounds of the organ, how the instrument is constructed, and how it is played.  You can learn more by downloading the reading list.