This guide will cover the basic use and features of Audacity, GarageBand, and FL Studio 20, all of which are available for free. Audacity and GarageBand allow the user to record, edit, and mix audio. GarageBand features music production with virtual instruments and an extensive loop library. FL Studio is a robust production program with a large sample library and professional-grade arranging and mixing features. Browse the different pages in this guide to view helpful videos and articles on each. If you have a valid PPLD library card, you can also access professional online tutorials by signing in with your library credentials at Lynda.com.