Introduction to Audacity for Recording and Editing Audio
Audacity by Dong on flickr, used under (CC BY-NC-ND 2.0)
For those interested in creating their own programs or curate music shows for GV Radio, this simple guide created by FLOSS Manuals can help you get started. The guide provides a good overview on using the free software Audacity to record and edit audio. You can download the program here and it is available in many different languages.