For P90X see thread linked below. This uses MP4 files and embedded metadata as mentioned by @anon18523487. I used Subler, a Mac only tool, to edit metadata. For Windows, try Mp3tag or use Windows Properties (right click → Properties → Details).
For P90X see thread linked below. This uses MP4 files and embedded metadata as mentioned by @anon18523487. I used Subler, a Mac only tool, to edit metadata. For Windows, try Mp3tag or use Windows Properties (right click → Properties → Details).
