The Logitech GT3 or "known as the old PC wingman" is such a racing wheel.
It is USB and will function on both your PSX2 and your PC as long as you get the GT3 version and then go download drivers (PC wingman) from logitechs site for your PC too.

As for the music files.... I have not done any real work yet but they are not at all listed in any logical form. Looks like they are compressed into a giant bin file. (with the rest of the game - around 4 gig)

12Gb MKII 080000516 Blue