i am Shadow Shadow the hedgehog

open-your-heart Sonic Adventure

Sonic Frontier Ending Theme
Vandalize by One Ok Rock

Yet another Sonic the hedgehog theme from Sonic and the black knight by Crush 40 

Never Turn Back by Crush 40.

It came from the game Shadow The Hedgehog.

Both mixes from the final battle on Sonic Generations. Starts with the Classic Mix, has a brief pause, then finishes on the Modern Mix.

All of Sonic Generations' Soundtracks (DISC 1)