Whether you're a professional musician, play music with your friends on the weekends or just like to listen to CDs, music technology affects your life. In this unit, you will learn some of the basics of music technology, starting with what sound is, how it is created and how it travels. This study unit is just one of many that can be found on LearningSpace, part of OpenLearn, a collection of open educational resources from The Open University. Published in ePub 2.0.1 format, some feature such as audio, video and linked PDF are not supported by all ePub readers.