This accessible and concise introduction to the central nervous system of any studio is unbeatable when it comes to quick reference. Mixers can be smaller than a breadbox or larger than a station wagon, yet the latest addition to Hal Leonard's popular What's A ... series will teach any studio maven how to master the fundamental tasks of the mixer: to process, route, combine and monitor audio signals. What's a Mixer? is an invaluable resource to keep close behind the boards.