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I'll try to get you ISOs of them. They were covers done by WAVEGROUP
Karaoke Revolution isn't ripped. They are basically just extracted. I don't have ISO images of those you mentioned. but if you want to provide them I can try. Karaoke Revolution 1 and 2 were the only ones to use official music just so you know. the rest are either recreated or DIY made on the disk.
I saw you ripped the newer KARAOKE REVOLUTION games, do you know how to rip the first generation ones? Like the PS2, XBOX GCN ones?