Stardust Speedway Bad Future/Metal Sonic Race Mashup

I know there's probably a million of these out there, but I still wanted to have a go at this. Songs used: Sonic CD - Stardust Speedway Past, Present, Good Future, and Bad Future Sonic the Hedgehog 4 Episode II - A Duel With Metal Sonic (Stardust Speedway RMX) Sonic Generations - Rival Battle (Metal Sonic 'Stardust Speedway') Sonic Mania - Metal Sonic Boss