Jay Shaffer is a freelance audio engineer, music composer and sound designer. He has over 20 years experience in the recording industry and has produced and recorded several award winning albums as well as having composed music for films videos and computer games. Considered by many to be an expert on Macintosh audio recording he also administers the Mac Audio Guy Web site, a resource for Mac audio professionals and enthusiast (www.macaudioguy.com). Gary Rosenzweig has written 10 mass market books on Macromedia Director an Flash as well as many magazine articles. He owns and runs CleverMedia, a game development company in Denver, Colorado. He has been a Mac user since 1987.Shaffer, Jay is the author of 'Macaddict Guide To Making Music With Garageband', published 2004 under ISBN 9780789732262 and ISBN 0789732262.