>Here's a video of Keyboardmania. Spoiler alert: it's basically impossible to play on a >PC keyboard
Some good music there that is being played during the "attract mode" sequence.
As for getting the first Drum Mania working, is the only issue the missing audio CD? Or is there more work needing to be done first within the psx hardware controller files?
Camelot's arcade just isn't what it used to be compared to 1980s or even just a few years ago (photo was from soCali MAME meet 2006) when they still had a fair number of Konami games there including Drum Mania.