If you are a new Magic user, you might want to watch our basic introductory tutorial video below. It walks you through the user interface and demonstrates the creation of a simple audio-reactive project. If you have any questions, we would be happy to answer them on our forums.
If you are interested in more comprehensive and advanced tutorials, one of our amazing users, Derek Gee, has created a YouTube playlist of Magic tutorials with several videos covering a wide range of topics. The first couple videos are for older versions of Magic, but most of the information is still relevant.