This is short and sweet. DirectX 9 Audio Exposed: Interactive Audio Development contains a comprehensive tutorial-style look at the inner workings of the DirectX Audio libraries. Everything you'd like to know about the DirectMusic API is within these pages. Todor Fay, the originator of the cornerstone DirectMusic technology, has laid out much of his wisdom for all of us to learn from. So take a look at the examples and discussions and get some ideas about how you can build your own software applications upon the DirectX Audio backbone. We look forward to seeing/hearing/using what you come up with!