Well, actually I think that the solution is obvious, install DirectX 9 in all the machines, DirectX 9 loads DMP8 content with no hassle, isn't it true? > So, I have a project out the door using Direct Music 8.1. Future > projects are going to use Direct Music 9. However, some files will not > load into DX8 if created in DX9, and you cannot install both DMP8 and > DMP9 on the same machine.=20 > Anybody have any ideas about how I can support my older projects > while working on newer projects without needing an extra machine or > re-installing DMP every time I need to switch projects?