This is Battle Arena Toshinden for the PSX, or commonly known as the PS1. This also works with a PS2, PS3. You must burn this game using the ".dwi" file, otherwise the music will NOT work correctly. If you need any assistance getting this to work, please let me know! :)
NOTE: This is optional, but the PSP version of this game is also uploaded everywhere as "Battle Arena Toshinden 1.1 [PSP].