Knuckles the Echidna - Unknown from M.E. SA2 AMV

Warning: Mild lyrics in one part of the song

20th anniversary for Knuckles the Echidna :D

You might have to watch 0:38 - 0:59 twice since it has two parts playing at once, I put the lyrics to that part of the song in the caption.
EDIT: DECEMBER 21: The full lyrics of the song are now there when you turn on the CC

Knuckles and other character belong to (c) SEGA and Sonic Team

Song: Unknown from M.E. (Sonic Adventure 2 version)
Lyrics: Kenichi Tokoi (translated by Takahiro Fukada (old lyrics from Sonic Adventure), Takayoshi Umeno (new lyrics))
Vocals: Marlon Saunders (vocals & chorus), Hunnid-P (rap vocals)

Media: Sonic X, Sonic Adventure DX, Sonic Adventure 2, Sonic Heroes, Sonic Riders, Sonic Riders: Zero Gravity, Sonic the Movie (Sonic the Hedgehog OVA), Sonic and the Secret Rings, Sonic Generations, Sonic the Hedgehog 2006, Mario and Sonic at the Olympic Games
Program: Sony Vegas Pro 10