The musex.zip file you have requested: Modifications / Garrys Mod / Add Ons / Garry's Mod MuseX Media Player Addon - 310.84kb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
Features: - Fully functional media player, supporting seek and volume. - Playlists. - Support for a multitude of audio formats, anything you have codecs for. - Hotkeys. -Visualizations - Currently disabled. -Browse any location on your MuseX is a multimedia player for Garry's Mod. It has the ability to play a multitude of audio formats, including, but not limited to MP3, Wave, Ogg Vorbis, Windows Media Audio, and Midi.